Step 2 - Stomatology 2014

After examination a 5-year-old child was diagnosed with acute general pulpitis of the 74 tooth. What treatment will be most efficient in this case?

Pulp extirpation

Vital amputation

Non-vital amputation

Tooth extraction

Biological method

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A 38-year-old female patient complains of pain in the 16 tooth, which appeared 3 days after placing an artificial crown over the tooth. Objectively: the 16 tooth is crowned with a full metal swaged crown. The gingiva around the tooth is hyperemic, edematous. The crown margin is submerged into gingival pocket by more than 0,5 mm. What is the cause of this complication?

Excessively tight fit of the crown

Interdental contacts

Eating solid food

Excessive submergence of the crown margin into the gingival pocket

Contact of the crown with antagonists

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A 34-year-old female patient presented to a dental clinic for the prosthetics of the mandibular teeth. Objectively: the mandibular teeth exhibit the I-II class mobility. Which of the following examination methods should be applied?

Radiography

Face-bow record

Myotonometry

Rheotachygraphy

Galvanometry

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A 29-year-old female patient presented to a dental clinic for prosthetics. Objectively: there is a carious cavity on the masticatory and mesial surfaces of the 24 tooth. Interdental contact is inadequate. Classify this cavity according to Black’s classification:

IV

II

I

V

III

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A patient complains of spontaneous, paroxysmal, irradiating pain with short pain-free intervals. The pain arose 2 days ago and occurs only at night. Make a provisional diagnosis:

Acute circumscribed pulpitis

Acute purulent pulpitis

Acute diffuse pulpitis

Exacerbation of chronic periodontitis

Acute deep caries

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A 40-year-old female patient complains of swelling of the left submandibular region which appeared three days ago; elevation of body temperature up to 37,4oC. Objectively: the left submandibular region exhibits a soft tissue edema, the skin color is not changed. Palpation reveals a roundish dense elastic node with a smooth surface sized 2,0 x1,5 cm. The node is mobile, somewhat tender. Mouth opening is not restricted, oral mucosa exhibits no visible changes, the crown of the 36 tooth is decayed by 2/3, its percussion causes pain response. What is the most likely diagnosis?

Odontogenic abscess of the submandibular region

Chronic odontogenic lymphadenitis of the submandibular region

Acute serous sialadenitis of the submandibular salivary gland

Acute odontogenic serous lymphadenitis of the submandibular region

Odontogenic phlegmon of the submandibular region

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A 70-year-old female patient complains of burning sensation under the base of her complete denture; dryness and bitterness in the mouth. The denture was fabricated 3 weeks ago. Objectively: the alveolar bone mucosa is edematous, there is diffuse hyperemia up to the margins of the denture. The tongue is hyperemic, dry and cracked. What additional study would be most appropriate in this case?

Biochemical blood analysis

Sialosemiology

Urinalysis

Complete blood count

Allergotest

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A 44-year-old female patient presented to a dental clinic for prosthetics. Objectively: the 17, 16, 15, 14, 12, 25, 26 teeth are missing; the 18, 28 teeth are preserved. Make a diagnosis according to Kennedy classification of partial edentulousness:

Class II, subclass 2

Class II, subclass 4

Class III, subclass 2

Class III, subclass 1

Class III, subclass 3

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A 45-year-old female patient presents to a dental clinic for prosthetics. Objectively: the 47, 46, 45, 35, 36, 37 teeth are missing. There is dentoalveolar vertical displacement of the 17, 16, 26, 27 teeth; the alveolar process is hypertrophied, the cervical margins are not exposed. When the teeth are closed, the distance between the occlusal surfaces of teeth and the alveolar process is about 6 mm. Specify the most efficient method of treatment of secondary deformation in this patient:

Grinding

Hardware-associated surgical treatment

Pulp removal and teeth grinding

Surgical treatment

Disocclusion

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A 25-year-old female patient consulted a dentist about acute pain in the mandible on the right that occurs during eating. Objectively: the approximate distal surface of the 45 tooth exhibits a carious cavity filled with light softened dentin. Probing causes a minor pain response across the entire floor. Percussion causes no pain. Cold water causes transient pain. What is the most likely diagnosis?

Acute deep caries

Chronic median caries

Chronic deep caries

Acute median caries

Chronic fibrous pulpitis

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A 45-year-old male patient has been admitted to the maxillofacial department with complaints of general weakness, pain and swelling in the left submandibular region, elevation of body temperature up to 39oC. He has a history of frequent pain in the 36 mandibular tooth on the left. The face is asymmetric due to the swelling of the left submandibular region, where a dense infiltrate is palpable; the overlying skin is hyperemic, doesn’t make a fold. There is a deep carious cavity in the 36 tooth, its percussion causes pain response; the surrounding mucosa is hyperemic, edematous. What is the most likely diagnosis?

Acute suppurative left-sided submandibular lymphadenitis

Acute suppurative left-sided periostitis of the mandible

Acute left-sided osteomyelitis of the mandible

Acute left-sided submandibular sialadenitis

Phlegmon of the left submandibular region

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A month after cementing a porcelain-fused-to-metal crown for the 23 tooth, the patient complained of its decementation. On examination the tooth stump was of sufficient height, the stump walls were convergent to the vertical axis at an angle of about 30 degrees. What is the required angle of wall convergence?

20-25 degrees

Up to 8 degrees

25-30 degrees

27-35 degrees

18-20 degrees

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A 5-year-old child has been diagnosed with chronic granulating periodontitis of the 85 tooth. What is the optimal material for the root canal filling?

Resorcinol-formalin paste

Glass ionomer cement

Calcium-containing paste

Zinc-eugenol cement

Zinc-phosphate cement

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A 65-year-old male patient undergoes fabrication of a full removable denture for the mandible. The individual tray for taking a functional impression is adjusted with the use of Herbst tests. The tray is thrown off during swallowing. This means that its edge is to be shortened in the following area:

From canine to canine vestibularly

From the space behind the mucous tubercle to the mylohyoid line

From canine to canine lingually

Along the mylohyoid line

In the region of the premolars on the lingual side

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A 28-year-old female patient complains of a cosmetic defect in the anterior segment of the maxilla. Objectively: the crown of the 13 tooth is decayed nearly up to the gingival edge, the stump walls are of sufficient thickness. The stump has a slightly changed color, percussion causes no pain response. Radiographical findings: the root canal is straight, wide, and filled along the entire length. What prosthetic construction is most appropriate in this case?

Inlay

Porcelain-fused-to-metal crown

Plastic crown

Post and core

Micro-denture

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A 32-year-old patient complains of constant chewing-like movements of the mandible. These movements occur with nervous excitement. The patient’s wife reports him to have gnashing of teeth at night. Objectively: the lateral teeth are worn, have no tubercles. What is the optimal treatment tactics?

Pharmaceutical and non-invasive treatment following the referral to a dental surgeon

Restoration with crowns

Referral to a dental surgeon

Night guard (Michigan-type splint), myogymnastics, self-massage

Alignment of teeth (selective grinding)

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A 38-year-old female patient complains of pain in front of the external auditory meatus projection, clicking when opening the mouth, sensation of stuffiness in the ears. Objectively: the face is symmetric, the trajectory of mouth opening is straight. There is a I class Kennedy defect, the 17, 16, 26, 27, 28 teeth are missing. Which anatomical structure takes the greatest load in this situation?

Articular disc (meniscus)

Articular capsule

Bottom of the glenoid fossa of the temporal bone

Articular head

Distal surface of the medial articular tubercle

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A 70-year-old male patient with the completely edentulous maxilla and a hard palate defect complains of difficult eating, pouring of liquid food through the nose, frequent chronic diseases of the nasal mucosa. Objectively: the maxillary alveolar bone is atrophied (Schroeder class I), the mucosa pliability complies with Supple class I. The hard palate exhibits a cicatrically changed defect sized 2x3 cm. What denture design would be most effective in this case?

Complete removable denture with a metal base and soft-core obturator

Complete removable denture with an internal and a peripheral valve

Soft-core obturator and complete removable denture

Complete removable denture with the teeth placed on the artificial gingiva

Complete removable denture with a thickening in the defect region

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A 7-year-old child complains of fever up to 38,30C, headache, sore throat and general weakness. Objectively: the mucosa of the soft palate, tonsils and palatine arches is edematous and hyperemic, there are numerous small painful erosions with red bottom. The erosions are not covered with any plaque. The submandibular lymph nodes are enlarged, painful on palpation. What is the most likely diagnosis?

Herpetic angina

Acute herpetic stomatitis

Infectious mononucleosis

Diphtheric stomatitis

Scarlet fever stomatitis

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A 22-year-old patient complains of a painful swelling in the right parotid gland region. A week before the pati- ent got a cheek abrasion which was healing under the purulent crust. Over the past two days, the patient had had progressing pain and fever up to 38,6oC. Objectively: there is a soft tissue edema in the right parotid region, the skin is slightly tense but has not changed in colour. There is a dense painful infiltration 2,5x3,5 cm large, the overlying skin exhibits limited mobility. The mouth can be fully opened, the mucous membrane around the orifice of the salivary duct is unchanged, the saliva is transparent. What is the most likely diagnosis?

Abscess of the parotid-masseteric region

Acute non-epidemic parotitis

Exacerbation of chronic parotitis

Epidemic parotitis

Acute lymphadenitis

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A 42-year-old female patient consulted a dentist about a sudden dramatic enlargement of gingiva, bleeding sores on the mucous membrane, lymph node enlargement. There is body temperature elevation up to 38oC, weakness, pain in the bones. What disease can be suspected in this patient?

Eosinophilic granuloma

Acute leukemia

Hodgkin’s lymphoma

Chronic leukemia

Hypovitaminosis C

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A 56-year-old male patient presents to a dental clinic for complex dental treatment prior to prosthetic procedures. Objectively: there is a pathological grayish-white triangular lesion sized 0,5x1,5 cm on the buccal mucosa in the mouth corners. The lesion cannot be removed. There are no signs of inflammation, regional lymph nodes are unchanged. Make a diagnosis:

Typical lichen planus

Mild leukoplakia

Planar leukoplakia

Hyperkeratotic lichen planus

Mycotic stomatitis

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A 24-year-old female patient presented to a dental clinic for the extraction of the maxillary wisdom tooth root. Following the posterior superior alveolar nerve block, a post-injection hematoma occurred. What structure was damaged during anesthesia?

Maxillary artery

Zygomatic artery

Infraorbital artery

Pterygoid venous plexus

Palatine artery

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What is the most adequate surgical approach for a submandibular phlegmon dissection?

Intraoral approach along the mucogi-ngival junction at the molar level

5-6 cm long incision along the skin crease of the upper cervical region

5-6 cm long incision 2 cm below the mandible

Linear 2 cm long incision along the lower edge of the mandible

5-6 cm long incision bypassing the angle of the mandible

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A 12-year-old patient has chronic catarrhal gingivitis. The oral vestibule is 7 mm deep. Fedorov-Volodkina hygiene index is 4. Examination revealed no abnormalities of lip frenulum attachment. What measures should be taken in the first place?

-

Professional oral hygiene

Physiotherapy

Curettage of periodontal pockets

Vestibuloplasty

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On the basis of subjective complaints, anamnesis and objective examination, a 5-year-old child has been diagnosed with impacted dislocation of the 71 tooth. What is the most appropriate treatment tactics?

Orthodontic treatment of the 71 tooth

No intervention is required

Endodontic treatment of the 71 tooth

Reposition and fixation of the 71 tooth

Extraction of the 71 tooth

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A 26-year-old male patient presents to a prosthetic dentistry clinic for a swaged metal crown for the 26 tooth. This is his third visit. During examination he has been found to have a hole on the medial buccal tubercle of the crown which appeared as a result of polishing. What tactics should be chosen?

Fabricate a new crown

Cement the crown with the cement

Mount a fixed denture

Cement the crown with acryl oxide

Seal up the hole in the crown

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A 28-year-old patient complains that a piece of the 23 tooth crown has broken off. Objectively: the root canal orifices contain the filling material, percussion causes no pain response. What is the tactics of choice?

Extraction of the 23 tooth

Restoration with Belkin crown

Fabrication of a metal insert tooth

Ortho-polymer restoration of the 23 tooth

Radiography of the 23 tooth

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A 58-year-old patient complains of stuffiness in the ears, hearing impairment, pain in the parotid region when opening the mouth. Objectively: the 18, 17, 16, 15, 26, 27, 28 teeth are restored with swaged metal crowns. There is a 1,5-2 mm gap between the crown edges and gingiva. The 14 and 25 teeth exhibit carious cavities. Probing, percussion and thermal stimuli cause no pain response. The patient has deep incisor overbite. What is the likely cause of otologic symptoms?

Galvanosis

Complication of tooth decay in the 14, 25 teeth

Cervical margin exposure of the 18, 17, 16, 15, 26, 27, 28 teeth

Functional TMJ overload

Missing mandibular teeth

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A 32-year-old patient presented to a prosthetic dentistry clinic with a diagnosis of maxillary fracture.The fracture can be treated by means of standard maxillo-mandibular Zbarzh set. What construction provides the intra-oral fixation?

Crown-supported soldered splint

Standard double arch

Plastic biteplate

Weber’s splint

Aluminium arch bar

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A 25-year-old male complains of pain, a sensation of heaviness in the maxilla on the left. He has a history of the 25 tooth extraction followed by health deterioration. There appeared purulent discharge from the left nasal meatus. He was diagnosed with acute odontogenic leftsided sinusitis. Which nasal meatus should the maxillary sinus be punctured through?

Middle and inferior

Inferior

Superior

Middle

Superior and inferior

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A 22-year-old male patient presented to a dental clinic with a cavity in the 11 tooth. The patient had no previous history of this tooth treatment. Objective examination revealed a carious cavity filled with light softened dentin on the approximate medial surface. The carious cavity was located within the mantle dentin. The tooth is slightly sensitive to the cold stimuli. What is the most likely diagnosis?

Acute median caries

Chronic deep caries

Chronic median caries

Acute deep caries

Superficial caries

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A patient consulted an oral surgeon about maxillary pain on the left, which arose three days ago. After examination, the patient was diagnosed with exacerbation of chronic periodontitis of the 17 tooth. The 17 tooth is indicated for extraction. What nerves should be blocked for a painless extraction of the 17 tooth?

Posterior alveolar nerves and greater palatine nerve

Greater palatine nerve

Anterior alveolar nerves and incisive nerve

Middle alveolar nerves and greater palatine nerve

Nasopalatine nerve

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A 35-year-old patient complains about itch, burning and edema of lips. These presentations occured a week ago. Objectively: there is reddening of vermilion border and lip skin, especially in the region of mouth corners, there are also vesicles, crusts, small cracks accompanied by erythematous lesion of vermilion border. What is the most likely diagnosis?

Exudative erythema multiforme

Acute herpetic cheilitis

Allergic contact cheilitis

Acute eczematous cheilitis

Exudative form of exfoliative cheilitis

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A 6-year-old child complains of pain in a mandibular tooth on the left during eating. Objectively: masticatory surface of the 36 tooth exhibits a carious cavity within the mantle dentin. The cavity is full of light softened dentin which can be easily removed with an excavator. Probing of the cavity walls causes pain response. The teeth are sensitive to thermal stimuli, the pain is of short-term nature. There is no response to percussion. Select the optimal filling material:

Zinc phosphate cement

Polycarboxylate cement

Silver amalgam

Silicate cement

Silicophosphate cement

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A patient undergoes orthopedic treatment for bounded edentulous spaces in the upper jaw with fixed full-cast dentures. At the second appointment it is necessary to check whether the inner surface of the metal frame of the future porcelain-fused-to-metal bridge fits the surface of the prepared teeth. How can this be done?

In the oral cavity by means of a wax plate

In the oral cavity by means of stomatoscopy

In the oral cavity by means of silicone materials

By means of visual models in the articulator

In the oral cavity by means of transfer paper

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A 44-year-old male patient needs a cast splint for the mandible. Objectively: there is a bilateral terminal defect of the mandibular dental arch. The tooth crowns are high, the teeth are intact, there is I-II class mobility. What impression material should be used?

Repin

Dentafol

Gypsum

Stomalgin

Stens

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A 35-year-old male complains of short-term pain caused by thermal stimuli in the 46 and 47 teeth. Objectively: masticatory surfaces of the 46, 47 teeth are intact, approximate surfaces could not be examined because of a very close arrangement of teeth. What methods of study can be used in this case if you suspect the presence of hidden cavities?

X-ray

Vital staining

Measuring electrical resistance

Electro-odontometry

Fluorescent study

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A 13-year-old child complains of having a cavity in the front maxillary teeth. Contact medial surfaces of the 11 and 21 teeth exhibit cavities found within the mantle dentine and filled with dense pigmented dentin. Probing of the cavity floor causes no pain response, neither does dental percussion. Select the best filling material for the permanent seals:

Zinc phosphate cement

Silicate cement

Resin composite

Glass ionomer cement

Silicophosphate cement

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Parents of a 3-year-old child report that the child has persistent pain in the front maxillary teeth. Objectively: the coronal part of the 61 tooth is gray and decayed. Probing of the root canal orifice causes pain response and is accompanied by bleeding. The tooth percussion provokes acute pain. Mucosa is hyperemic, edematous and tender. Palpation in the region of the 61, 62 teeth reveals a fistula. What is your provisional diagnosis?

Exacerbation of chronic pulpitis

Chronic granulating periodontitis

Exacerbation of chronic periodontitis

Acute diffuse pulpitis

Acute purulent periodontitis

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A 15-year-old teenager consulted an orthodontist about misalignment of teeth. Objectively: the face is unremarkable. The patient has permanent dentition. There are no abnormalities of jaw relationship in three dimensions. The 23 tooth has a vestibular position and is located above the occlusal plane, the space in the dental arch is less than 1/3 of crown. The space for the misaligned 23 tooth can be gained due to:

Extraction of the 24 tooth

Increase of the transverse jaw dimensions

Increase of the sagittal jaw dimensions

Increase of the vertical jaw dimensions

Extraction of the 23 tooth

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An 11-year-old boy complains of a carious cavity in a mandibular tooth on the right. Objectively: the 46 tooth exhibits a carious cavity within the mantle dentin. The dentin is dense, pigmented; there is pain response to the cold stimulus, probing and percussion cause no pain response. Make a provisional diagnosis:

Chronic superficial caries

Acute median caries

Chronic median caries

Acute deep caries

Chronic deep caries

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A 45-year-old male patient complai- ns of inertness, headache, fever up to 39oC, burning neuralgic pain in the mandible on the right. Objectively: the skin of chin on the right is hyperemic, there is vesicular rash with a vesicle diameter of 1 to 6 mm. Similar vesicles can be found on the hyperemic oral mucosa on the right. They burst easily making erosions which are covered with fibrinous pellicles. Regional lymphadenitis is present. What is the most likely diagnosis?

Acute herpetic stomatitis

Shingles

Pemphigus

Allergic stomatitis

Exudative erythema multiforme

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A 50-year-old patient complains of dryness and burning sensation in the mouth, pain during eating, taste perversion. The symptoms occurred a week ago after taking the course of antibiotics for acute bronchitis. Objectively: oral mucosa is covered with patches of white caseous deposit. The deposit can be easily removed when scraped, revealing hyperemic areas of mucous membrane. Which is the most likely diagnosis?

Leukoplakia

Acute pseudomembranous candidiasis

Chronic recurrent aphthous stomatitis

Chronic hyperplastic candidiasis

Lichen planus

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A 56-year-old female patient complains of burning neuralgic pain in the left half of the mandible, which appeared two days ago. There is also rash in form of tense vesicles on the reddened skin and mucosa of the lower lip on the left, accompanied by malaise, headache, body temperature elevation up to 38oC, left-sided lymphadenitis. What is the most likely diagnosis?

Murrain

Herpes zoster

Allergic reaction

Acute herpetic stomatitis

Pemphigus

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A 21-year-old dental patient has been found to have a circular ulcer on the tongue dorsum. The ulcer is up to 1 cm in diameter, has demarcated raised edges and a deep inflammatory infiltrate at the base. The ulcer floor is flat, clean, of crimson color. The regional lymph nodes are of cartilaginous density, mobile, painless. The ulcer appeared a week ago and doesn’t cause any discomfort. What kind of ulcer should be suspected in the first place?

Tuberculous

Cancerous

Traumatic

Trophic

Syphilitic

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An 11-year-old boy complains of a short-term pain from the cold in a left mandibular tooth. Objectively: the medial surface of the 36 tooth exhibits a carious cavity within parapulpar dentin. The cavity is filled with light, softened dentin and does not communicate with the cavity of the tooth. Probing the of the 36 tooth floor causes pain response, the tooth is not sensitive to percussion, the response to the cold stimulus does not stay long after its removal. What is the most likely diagnosis?

Chronic fibrous pulpitis

Acute median caries

Acute deep caries

Acute focal pulpitis

Acute diffuse pulpitis

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A 36-year-old patient with the face and neck burns resulting from gasoline ignition has been delivered to the emergency room. Palpebral fissures are closed due to the eyelid edema. The face skin is erythematous, there are large tense blisters on the skin of the chin, cheeks, nose, forehead, superior surface of neck. Specify the degree of burns:

I degree

-

IV degree

II degree

III degree

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A 9-year-old child has a symmetrical maxillary diastema with crown divergence. The relationship of the lateral teeth is neutral. In the anterior segment the depth of incisal overbite is 1/3 of the crown height. What appliance can be used for simultaneous treatment of diastema and crown divergence?

Maxillary plate with vestibular arch

Maxillary plate with spring arms

Standard edgewise technique

Maxillary plate with protraction springs

Bracket system with Andrew’s straight-wire

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A 52-year-old female patient complains of a persistent burning sensation at the tip and lateral surface of the tongue. The burning occurs in the morning and gets worse in the evening, the sensation disappears when eating. The patient reports having had these symptoms for about a year and associates the disease with wearing removable dentures. The patient has a history of anacid gastritis, a surgery for uterine fibroids, second degree hypertension, poor sleep, anxiety. Objectively: the tongue is slightly swollen, the tongue dorsum is covered with a thin white plaque, filiform papillae are atrophied. The rest of the mucosa exhibits no visible pathological changes. Pharyngeal reflex is suppressed. What is the most likely diagnosis?

Lingual nerve neuritis

Glossalgia

Moeller-Hunter glossitis

Allergic reaction to plastic

Candidal glossitis

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A 28-year-old female patient consulted a dentist about pain caused by thermal and chemical stimuli in the mandibular and maxillary teeth. Objectively: in the cervical zone of mandibular and maxillary incisors and canines there are irregularly shaped defects of hard dental tissues within the amelodentinal junction in form of tissue softening. In this clinical case a dentist will find it difficult to differentiate between the following diseases:

Hypoplasia and wedge-shaped defect

Erosion and wedge-shaped defect

Caries and necrosis

Hypoplasia and necrosis

Caries and erosion

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A 52-year-old male patient working as a driver consulted a dentist about pain, difficult mouth opening. The patient had been diagnosed with ulcerative leukoplakia. After a 10-day course of therapy sluggish granulation began. On the periphery of the ulcer the keratini-zation processes became more active. Which of the following tests must be conducted in the first place?

Bacterioscopy

Bacteriological stdy

Microscopy

Stomatoscopy

Cytological study

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4 hours after application of arsenic paste to the 36 tooth pulp, a 27-year-old patient complained of pain in the treated tooth. Objectively: on the distal surface of the 36 tooth the temporary filling is present. Percussion causes no pain response. Gingival papilla in the region of the 36, 37 teeth is hyperemic and edematous, its apex is necrotized. What is the optimal tactics of this patient management?

Keep the temporary filling, administer soda rinse

Replace the temporary filling, treat the gingiva with 3% iodine solution

Keep the temporary filling, treat the gingiva with 3% hydrogen peroxide solution

Keep the temporary filling, treat the gingiva with 3% iodine solution

Replace the temporary filling, treat the gingiva with 3% hydrogen peroxide solution

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A 43-year-old female patient has been diagnosed with generalized periodontitis. What examination is most informative for determining the severity grade of the disease?

Determining the class of tooth mobility

Panoramic radiography

Measuring the depth of periodontal pockets

Schiller-Pisarev test

Calculation of the periodontal index

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A 7,5-year-old boy fell down on his face and damaged his front maxillary teeth. Objectively: the crowns of the 11 and 12 teeth are destroyed by 1/4. The tooth cavity is closed. Probing causes pain along the break-off line, percussion of the 11 and 12 teeth causes no pain response. Mucosa around the 11 and 12 teeth is slightly hyperemic. Radiograph of the 11 and 12 teeth shows the intactness of the dental tissues and alveolar process. What tactics of a dentist would be optimal in the first hours after the injury?

Parapulpar pin reconstruction

Composite filling

Pulp monitoring

Fabrication of an artificial crown

Photopolymer filling

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A 9-year-old child complains of pain in the left mandibular molar that occurs during eating. The masticatory surface of the 75 tooth exhibits a carious cavitiy filled with softened dentin and localized within parapulpar dentin. The cavity communicates with the tooth cavity. Probing at the site of communication causes acute pain and moderate bleeding. Percussion of the tooth causes no pain response. Radiography revaled no periodontal alterations in the 75 tooth. Select the method of treatment:

Vital extirpation

Devital amputation

Devital extirpation

Vital amputation

Biological method

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Preventive examination a 6-year-old child revealed that the child had deciduous dentition, direct incisor contact in the frontal segment, no gaps between teeth; contact of homonymous canines and molars; abrasion of masticatory tubercles of the molars. The child’s condition corresponds with the followi- ng period:

Development of deciduous dentition

Physiological wear of deciduous dentition

Stable deciduous dentition

Exfoliation

Mixed dentition

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A 12-year-old girl visited a dentist for a regular check-up. Objectively: the teeth are intact, the bite is open, the mucosa in the papillary and marginal regions is hyperemic and cyanotic, the gingival papillae are roundish, enlarged and cover one third of the crown height of the anterior maxillary teeth. Make a provisional diagnosis:

-

Gingival fibromatosis

Acute catarrhal gingivitis

Hypertrophic gingivitis

Chronic catarrhal gingivitis

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A 29-year-old male patient complai- ns of gingival hemorrhages during tooth brushing, and bad breath. Objectively: gingival papillae and marginal gingiva are hyperemic with a cyanotic tint, bleed on probing. Periodontal pockets are 3-3,5 mm deep, with serous exudate expressed from them. The sub- and supragingival calculus is present. Orthopantomograph shows osteoporosis of the alveolar process, resorption of interalveolar septa to 1/3. What is the most likely diagnosis?

Chronic generalized II grade periodontitis

Exacerbation of chronic generalized I grade periodontitis

Chronic generalized periodontitis, initial stage

Chronic generalized I grade periodontitis

Exacerbation of chronic generalized periodontitis, initial stage

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A 40-year-old patient complains of fever up to 38oC, and a roundish infiltration on the upper lip. Objectively: the upper lip on the left exhibits a round infiltrate, the overlying skin is deep crimson. The infiltrate adheres to the surrounding tissues and has a necrotic core in the center. The upper lip is hyperemic, edematous. What di- agnosis can be made?

Acute lymphadenitis

Retention cyst

Upper lip carbuncle

Upper lip furuncle

Acute abscess of the upper lip

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A 20-year-old female patient consulted a dentist about a short-term pain in the 22 tooth caused by cold stimuli or contact with food. The pain had been observed for several months. After the examination, the patient was diagnosed with acute deep caries of the 22 tooth. What material should be used as a base for the cavity filling?

Calcidont

Paste with trypsin

Silidont

Phosphate cement

Silver-containing phosphate cement

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A 48-year-old female patient underwent parotidectomy for a benign tumor of the parotid gland. Postoperatively, the patient was observed to have mouth downturning, midline deviation towards the unaffected side, speech disturbance. Which branch of the facial nerve was damaged during the surgical intervention?

Cervical branch

Marginal mandibular branch of facial nerve

Buccal branch

Temporal branch

Zygomatic branch

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On examination a 42-year-old patient was diagnosed with acute suppurative periostitis of the mandible beginning from the 35 tooth. What is the most rational method of anesthesia for the 35 tooth extraction and dissection of the subperiosteal abscess?

Berchet anesthesia

Infiltration anesthesia

General anesthesia

Plexus anesthesia

Torusal anesthesia

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Examination of a 31-year-old patient revealed perforation of the pulp chamber floor of the 36 tooth with a minor radiolucency of the interradicular septum. Which of the following methods of surgical treatment should be applied in order to save the 36 tooth and use it as an abutment tooth for a bridge denture?

Sealing of perforation

Root hemisection

Root amputation

Tooth replantation

Coronary radicular separation

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A 42-year-old patient complains of pain in the right side of her head, restricted movements of the lower jaw, clicking sound, periodic spasms of chewing muscles. Objectively: the face is symmetric, mouth opening is restricted. On palpation of the right temporo-mandibular joint ( TMJ) there are crepitation and clicking that accompany the mandible movements. Examination of the oral cavity revealed also a Kennedy’s class II defect on the right. What is the most likely diagnosis?

Contracture of the right TMJ

Acute arthritis of the right TMJ

Sclerosing osteoarthritis of the right TMJ

Pain dysfunction of the right TMJ

Myositis ossificans

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A 40-year-old patient complains of malaise, weakness, headache, fever up to 38,5oC. Objectively: there is a symmetric red lesion in form of butterfly-wing rash on the face around the nose and cheeks. The lesion is clearly demarcated, tender on palpation, does not disappear when pressed upon. The skin is raised and glossy. Submandibular and parotid superficial lymph nodes are enlarged, tender to palpation. What is the most likely diagnosis?

Systemic lupus erythematosus

Facial erysipelas

Furuncle of face

Neurodermatitis

Microbial eczema

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A 43-year-old male patient awaits fabrication of full swaged crowns for the 26 and 27 teeth. What material should be used for the dental dies?

Silver-palladium alloy

Cobalt-chromium alloy

Stainless steel

Low-fusible alloy

Solder alloy

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Examination of a 9-year-old child revealed chalky spots in the cervical zone of the 12, 11, 21, 22 teeth. The spots appeared two weeks ago. Lustreless surface of the spots is stainable with methylene blue. The affected teeth are not sensitive to the cold stimulus. Specify the physician’s tactics in respect of the affected teeth:

Case follow-up

Remineralizing therapy

Grinding of affected areas

-

Impregnation therapy

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An 18-year-old male has a furuncle in the region of the mandible angle. The surrounding tissues are rigid. Cyanosis and induration in form of a cord extend to the corner of the eye. General condition is deteriorated, body temperature is of 38,5oC. What complication has developed in this case?

Phlegmon of cheek

Carbuncle of cheek

Facial vein thrombophlebitis

Acute sinusitis

Abscess of cheek

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Regimental aid station admitted a wounded soldier with a diagnosis of a gunshot fracture of the mandibular body. What kind of immobilization is required at this stage?

Transport immobilization

Smooth brace

Immobilization with splints for both jaws

Osteosynthesis of the mandible

Extraoral appliance for fragment fixation

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A 17-year-old male patient complains about having a fistula on the anterior surface of his neck. The fistula has been present since birth. Periodically there appears a small amount of mucoid discharge. The patient has been diagnosed with a middle cervical fistula. What tactics of treatment should be preferred for this patient?

Closure of the fistula with the pursestring suture

Cryodestruction of the fistula epithelium

Excision of the fistulous tract with resection of the hyoid bone body

Sclerosing of the fistula epithelium

Excision of the fistulous tract without resection of the hyoid bone body

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A 70-year-old patient complains of inability to take food, a cosmetic and phonetic defect due to the complete loss of mandibular teeth. Objectively: the lateral segment of the alveolar process of the mandible is significantly atrophied, while the frontal segment is relatively preserved. Buccal folds are attached at the crest of the alveolar process. These clinical presentations correspond with the following class of edentulous jaws according to Keller classification:

Class V

Class II

Class III

Class IV

Class I

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A 24-year-old male who had been injured in a fight was delivered to the maxillofacial department. The patient was diagnosed with a fracture of the left zygomatic bone with a displacement; a fracture of the anterior wall of the maxillary sinus. What kind of surgery is indicated for this patient?

Osteotomy of the maxilla

Radical maxillary sinusotomy

Radical maxillary sinusotomy and reposition of fragments

Osteosynthesis of the zygomatic bone

Reposition of fragments

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A 50-year-old male patient has a gunshot wound to the mandible and a bone defect in the mental area. What method of immobilization is indicated for this patient?

Extraoral Rudko apparatus

One-jaw brace

Bone suture

Immobilization by means of wires and rods

Two-jaw splint with wire loops and intermaxillary elastics

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3 days ago a 35-year-old patient underwent the extraction of the 47 tooth, which was followed by health deterioration. Objectively: the patient is pale, body temperature is of 38,1oC, the mandible on the left is thickened, the surrounding soft tissues are swollen, mouth opening is difficult. Mucogingival junction at the 48, 47, 46 teeth is edematous, mucous membrane is hyperemic. There are purulent discharges from the 47 tooth socket, the 48, 46, 45 teeth are sensitive to percussion. There is also paresthesia in the lower lip region. What is the most likely diagnosis?

Acute mandibular osteomyelitis

Abscess of mandibular radicular cyst

Acute periodontitis of the 47 tooth

Acute mandibular periostitis

Submandibular phlegmon

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A female patient presented to a clinic for prosthetics. Objectively: the lower third of the face is shortened; nasolabial folds are deepened; the front teeth of both jaws are missing; the crowns of the 17, 15, 26, 27, 36, 37, 45, 47 teeth are worn by 2/3 of their height; the chewing surfaces of these teeth are smooth and pigmented; alveolar bone is not hypertrophied, interalveolar height is decreased. Specify the form of pathological dental abrasion in this patient:

Vertical, compensated, III grade of severity

Combined, uncompensated, III grade of severity

Vertical, uncompensated, III grade of severity

Horizontal, uncompensated, III grade of severity

Horizontal, compensated, III grade of severity

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Following the extraction of the 12, 11, 21, 22, 23 teeth, a 50-year-old pati- ent will receive an immediate-insertion denture. What denture should be used in this situation?

Clasp denture

Removable bridge denture

Fixed bridge denture

Laminar denture

Adhesive denture

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A 10-year-old child was undergoing complex dental care. During the procedures, a deep carious cavity communicating with the tooth cavity was revealed in the 36 tooth. The tooth was not sensitive either to probing, percussion, or temperature stimuli. The patient was diagnosed with chronic periodontitis. During the treatment, the accidental perforation of the tooth cavity floor occurred. What measures should be taken in this case?

Sealing the perforation with glass ionomer

Potassium iodide electrophoresis

Sealing the perforation with calcium hydroxide

Tooth extraction

Application of zinc-eugenol paste

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Dental examination of a 19-year-old girl revealed white spots in the cervical zone of the 11, 21 teeth. According to the patient, the spots appeared about two months ago and had slowly enlarged since that time. Which of the following diseases is characterized by such history?

Fluorosis

Necrosis

Enamel hypoplasia

Erosion of hard tissues

Caries

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A 52-year-old patient complains of pain and a swelling in the right parotid region. These manifestations have been present for about 2 years. Over the last month the swelling has grown bigger, pain has intensified. Objectively: the face is asymmetric due to a dense infiltrate in the right parotid region. The poorly circumscribed, tender to palpation lump infiltrates the surrounding tissues. On the right side of neck in front and behind the sternocleidomastoid muscle there are enlarged, dense, mobile lymph nodes. The right naso-buccal groove is flattened, the corner of mouth is downturned. The mouth opens freely. The are pronounced symptoms of the right facial nerve paresis. What disease can be suspected?

Pleomorphic adenoma of the parotid gland

Actinomycosis of the parotid-masseteric region

Chronic parotitis

Chronic lymphadenitis

Adenocarcinoma of the parotid salivary gland

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A 24-year-old patient was undergoing the extraction of the 25 tooth roots for the exacerbation of chronic periodontitis. During the operation the roots were dislocated into the maxillary sinus. What would be the surgeon’s optimal tactics?

Not to remove the roots, suture the extraction socket

To perform maxillary sinusotomy and remove the roots in the outpatient department

To perform maxillary sinusotomy and remove the roots in hospital environment

To remove the roots through the extraction socket

To pack the extraction socket

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A 55-year-old male patient presents to a dental clinic complaining of inability to use complete removable dentures fabricated a week ago. The patient also presents with muscle pain in the region of the temporomandibular joint, tooth chatter during a conversation, and difficult biting on food. Objectively: the face is elongated, nasolabial and labiomental folds are flattened, the chin is retruded, the lips do not close. What is the cause of these disorders?

Left displacement of the mandible

Increased occlusal vertical dimension

Descending occlusion

Inadequate fixation of dentures

Right displacement of the mandible

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Parents of a 10-year-old boy consulted an orthodontist about misali- gnment of the 21 tooth. Objectively: the 21 tooth is in a vestibular position, there is enough space for it in the dental arch. What additional methods of examination should be applied to specify the treatment plan?

Masticaciography

Pont’s index measuring

Paralleling

X-ray

Korkhaus’ index measuring

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A 38-year-old chemical plant worker, a smoker, with a history of chronic enterocolitis, was undergoing preventive medical examination. In the posterior third, along the midline of the tongue dorsum there is an area with no papillae. The area is 2x1cm large, slightly dense on palpation. What is the most likely diagnosis?

Moeller-Hunter glossitis

Desquamative glossitis

Rhomboid glossitis

Secondary syphilis

Chronic atrophic candidiasis

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A female patient presented to a dental prosthetics clinic complaining of acute pain in the 26 tooth. The pain gets worse in the evening and at night. Objectively: the patient has a cantilever porcelain-fused-to-metal dental bridge supported by the 26 tooth and the 25 tooth cantilever. The tooth is live, the preparation was performed under conduction anesthesia. The prosthesis is fabricated in compliance with all requirements. What medical error might have caused this complication?

Continuous tooth preparation without cooling, no provisional crowns

Lack of medial support for the bridge

Cementing the bridge on the phosphate cement

Shaping the tooth as a truncated cone

Preparation of the radial shoulder in the cervical zone

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A 64-year-old patient had a myocardial infarction a month ago. He presents to a dental office for the treatment of pulpitis of the 12 tooth. Select the optimal method of anesthesia:

Premedication + anesthetic with a vasoconstrictor

An anesthetic with a vasoconstrictor

Premedication + an anesthetic with a vasoconstrictor

Premedication + anesthetic without a vasoconstrictor

Premedication + an anesthetic without a vasoconstrictor

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A 45-year-old female patient complains of fever, appearance of rash in the mouth cavity and on the lips. She has a 4-year history of this disease which occurs mainly in autumn and spring. Objectively: oral mucosa is hyperemic, there are painful erosions covered with gray plaque. There are also hemorrhagic crusts on the lips. The skin of the forearm flexor surfaces exhibits maculo-papular rash. What is the most likely diagnosis?

Chronic recurrent herpes

Pemphigus vulgaris

Dermatitis herpetiformis

Bullous pemphigoid

Erythema multiforme

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A 27-year-old female patient consulted a dentist about pain in the 35 tooth. The pain is caused by cold stimuli and quickly abates after the stimulus is removed. Objectively: in the cervical region of the 35 tooth there is a dental tissue defect within the enamel. The defect has white crumbling edges. Electroexcitability of the pulp was 5 mkA. What is the most likely diagnosis?

Enamel necrosis

Acute initial caries

Local enamel hypoplasia

Enamel erosion

Acute superficial caries

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A patient has an indication for the 12 tooth extraction for the exacerbation of chronic periodontitis. It was decided to apply infraorbital and incisive anesthesia in this patient. What nerve structures are blocked by this anesthesia?

Posterior superior alveolar branches, n. Incisivus

Anterior superior alveolar branches, n. Incisivus

Middle superior alveolar branches, n. Nasopalatinus

Nasopalatine nerve, anterior superior alveolar branches

Greater palatine nerve, middle superior alveolar branches

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A 52-year-old patient consulted a dentist about a tumor-like neoplasm in the region of the lower lip vermilion border. Examination of the vermilion border on the left revealed a roundish tumor about 0,5 cm in diameter on a thin pedicle. The tumor had a smooth surface, was mobile, soft, and painless. What is the most likely diagnosis?

Cutaneous horn

Leukoplakia

Papilloma of the lower lip

Abrasive Manganotti precancerous cheilitis

Verrucous precancerous lesion of the vermilion border

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A 21-year-old male patient undergoes treatment for chronic catarrhal gingivitis. There is a significant amount of soft dental plaque, high speed of its production. The patient knows how to practice good oral hygiene. Recommend a mouthrinse for this patient:

Furacilin

Chlorhexidine

Mefenaminum natrium

Dimethyl sulfoxide

Hydrogen peroxide

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A male patient should have the root of the 17 tooth removed prior to prosthetic procedures. The crown of the tooth is decayed beneath the gum line. What tool should be used?

S-shaped right forceps

Straight forceps with non-converging beaks

Straight forceps with converging beaks

S-shaped forceps

Bayonet forceps

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A patient consulted a dentist about pain in the 47 tooth. X-ray examination revealed fragments of endodontic instruments in the canals of the medial and distal root. In the periapical zone there are well-defined areas of bone destruction. Select the most appropriate method of treatment:

Radectomy

Tooth replantation

Tooth extraction

Conservative treatment

Tooth hemisection

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A 50-year-old male patient with a defect of the hard palate needs a palatal plate. Objectively: the maxillary teeth are intact. What method of fixation should be used?

Telescopic system

Attachment

Mesio-distal clasps

Bar fixation

Supporting clasps

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A 40-year-old male patient presents with vicious union after a fracture of the maxilla. Objectively: the remaining 13 and 14 teeth are displaced in a distal direction. What method of orthopedic treatment would be most adequate in this case?

Removable denture with metal base

Removable laminar denture

Cast clasp denture

Removable denture with bilayer base

Removable double-arch denture

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Following the unilateral resection of the maxilla a 52-year-old patient received the immediateinsertion denture. What is the term of its use?

2-3 years

4-5 years

1-2 months

7-12 months

1-3 months

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A 28-year-old patient complains of pain in the 37 tooth when eating hot food. Objectively: the 37 tooth has changed in color, there is a carious cavity filled with softened dentin, the tooth cavity is open, probing of the root pulp causes pain response, percussion causes no pain. What is the most likely di- agnosis?

Chronic fibrous periodontitis

Exacerbation of chronic pulpitis

Exacerbation of chronic periodontitis

Chronic gangrenous pulpitis

Chronic fibrous pulpitis

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A 16-year-old female patient complains of gingival pain and hemorrhage, a gingival deformity. Over the last 2 years the gums periodically bleed during tooth brushing. Objectively: in the region of the front mandibular teeth the gingival papillae are enlarged and reach 1/2 of the tooth crown height. The gums are swollen and tender, bleed when touched. Radiographic alterations were not revealed. What is the most likely diagnosis?

Epulis

Catarrhal gingivitis

Generalized periodontitis

Hypertrophic gingivitis

Ulcerative gingivitis

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A patient presented to a dental clinic for complex dental care. Objectively: the 37 tooth exhibits a deep carious cavity communicating with the tooth cavity. There is no response to stimuli. Radiography reveals widening and deformation of the periodontal ligament space in the apical region. What is the most likely diagnosis?

Chronic fibrous pulpitis

Chronic gangrenous pulpitis

Chronic fibrous periodontitis

Chronic granulating periodontitis

Chronic granulomatous periodontitis

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A 49-year-old patient consulted a dental surgeon about complex dental care. He has an indication for the extraction of the 16 tooth. History: the tooth hasn’t been treated before, it has decayed within the last 4 years. Objectively: the 16 tooth crown is decayed by over 2/3, the mucosa exhibits no pathological changes. What tool is required for the tooth extraction?

Crown bayonet forceps

Straight elevator

S-shaped closed-beak forceps

Bayonet root forceps

S-shaped forceps (right)

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A 16-year-old female patient complains of a deformation and restricted mouth opening since birth. Objectively: the face is symmetrical, disproportionate, there is a bird-like face symptom. The mouth opens up to 1 cm. The patient has an occlusal abnormality, namely deep incisal overbite. What pathology is found in this patient?

Micrognathia with congenital ankylosis

Mandibular protraction

Micrognathia with acquired ankylosis

Maxillary protraction

Prognathism

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A 13-year-old boy complains of pain in the region of the extracted 46 tooth, irradiating to the ear and temple; halitosis. The tooth was extracted 3 days ago. Objectively: submandibular lymph nodes are enlarged, tender on palpation. Mucosa around the extracted tooth is hyperemic, edematous. The socket of the 46 tooth is filled with a gray clot. What is the most likely diagnosis?

Acute odontogenous lymphadenitis of the right submandibular region starting from the 46 tooth

Neuralgia of the III branch of the trigeminal nerve

Alveolitis of the extracted 46 tooth

Acute odontogenous mandibular osteomyelitis starting from the 46 tooth

Acute odontogenous mandibular periostitis starting from the 46 tooth

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A 47-year-old male patient consulted a dental surgeon about a slowly growing tumor on his lower lip which appeared six months ago. Objectively: on the lower lip there is a single horny conical projection above the surface of the skin up to 1,5 cm wide. The neoplasm adheres to the skin. Palpation reveals dense keratinous masses. What is the provisional diagnosis?

Abrasive precancerous Manganotti cheilitis

Verrucous precancerous lesion of lip

Circumscribed hyperkeratosis

Papilloma of lip

Cutaneous horn

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A 45-year-old patient has a dense semicircle neoplasm 1 cm in diameter on his lower lip. The tumor projects above the vermilion border by 0,5 cm. The surface is grayish- pink with a small number of closely arranged whitish scales. The tumor is not tender on palpation. What is the most likely diagnosis?

Manganotti cheilitis

Pyogenic granuloma

Papilloma

Verucca vulgaris

Verrucous precancerous lesion of the vermilion border

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Parents of an 8-year-old child complain about the presence of chalky spots on the child’s front maxillary teeth which have recenly erupted. Objectively: the vestibular surfaces of the 11 and 12 teeth exhibit white spots in the cervical zone. Enamel at these sites is not transparent. What additional test can be used?

Radiovisiography

Staining with iodine-containing solutions

Staining with methylene blue

Radiography

Electric pulp test

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An 11-year-old boy complains of having a painful lesion in the mouth cavity, which makes it difficult to eat. Such symptoms were first noticed two years ago. Examination of the mouth floor reveals a tender oval erosion sized up to 0,8 cm, and covered with grayish-white plaque. The erosion has a hyperemic rim. Make a provisional diagnosis:

Behcet’s syndrome

Chronic recurrent aphthous stomatitis

Traumatic erosion

Stevens-Johnson syndrome

Erythema multiforme

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A 3-year-old girl has been diagnosed with acute odontogenic mandibular periostitis beginning from the 74 tooth. It is required to perform periostomy and extract the 74 tooth. The child is excited. Select the optimal type of anesthesia for the surgery:

Inferior alveolar nerve block

Phlebonarcosis

Intubation anesthesia

Mask anesthesia

Central anesthesia

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A 7-year-old child has been diagnosed with chronic periodontitis of the 64 and 65 teeth. The child has a history of hemophilia A. What is the medical tactics of choice?

Extraction of the affected teeth is possible both on an in-patient and out-patient basis

Extraction of the affected teeth on an out-patient basis with further packing of alveolar sockets with a hemostatic sponge

Extraction of teeth is contraindicated because of the high probability of bleeding

Extraction of the affected teeth in the maxillofacial department

Extraction of the affected teeth in the hematology department after taking the appropriate preparatory measures

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A 3-year-old child has a hard and soft palate defect. It is planned to fabricate a 'floating'Cese obturator (Chasovskaya modification). What impression material should be used?

Thermoplastic or silicone

Stomalgin

Hydrocolloid

Gypsum

Eugenol-zinc

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Examination of a child hospitalized for scarlet fever revealed alterations of the tongue mucosa which turned bright red, glossy, and dry. At the same time the fungiform papillae were enlarged. The described appearance of tongue is referred to as:

Rhomboid

Strawberry

Plicated

Geographic

Black

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A 64-year-old patient with edentulous jaws has a mild uniform atrophy of the maxilla and a pronounced atrophy of lateral segments of the mandible. The mucosa in these regions makes longitudinal folds, the alveolar crest is mobile in the anterior part. The condition of mandible should be taken into consideration at the following stage of fabrication of a complete removable denture:

Taking a decompression functional impression

Taking a differentiated functional impression

Taking an anatomical impression

Taking a compression functional impression

Determining the centric jaw relation

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A 30-year-old female patient complains of limited mouth opening. She has a history of an injury received at the time when her jaws were closed. Objectively: mouth opening is limited to 1,5 cm, the bite is normal, mouth opening causes the displacement of mandible to the left. Palpation reveals pain in the left temporomandibular joint (TMJ). X-ray picture confirms bone intactness. What is the most likely diagnosis?

Fracture of the left articular process of the mandible

Acute unilateral dislocation of the TMJ

Fracture of the left zygomatic bone with a displacement of bone fragments

Contusion of the left TMJ

Acute traumatic arthritis of the left TMJ

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A 41-year-old patient has been diagnosed with a fracture of the mandibular alveolar process. Objectively: the teeth are intact. When the jaws are closed, the multipoint occlusal contact is observed. The patient is to be transported to a specialized hospital. What kind of first aid is indicated in this case?

Stiff head-chin strap by D.O. Entin

Tigerstedt’s splint with wire loops

Smooth brace

Ivy ligature

Standard Vasilyev splint

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In a 7-year-old child the right mandibular molars overlap the maxillary molars, there are no other occlusion abnormalities. Size and shape of the lower dental arch are normal. Specify the appliance for the treatment of this abnormality:

Angle’s coil spring

Upper-jaw appliance with a right guide plane

Upper-jaw appliance with a middle expansion screw

Upper-jaw appliance with a sector expansion screw

Upper-jaw appliance with a left guide plane

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Parents of a 5-year-old child consulted an orthodontist about mispronunciation of sounds by the child. Objectively: the child’s face is unremarkable. The patient has deciduous dentition. There are 1-1,5 mm gaps in the frontal segment from 53 to 63. Occlusion in the sagittal and transversal planes is normal. What type of Frankel’s functional regulator is used to treat the above-described malocclusion?

Type II

Type III

Type I

-

Type IV

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A 35-year-old female patient seeks prosthetic dentistry. Objectively: the 18,14,13,12,11, 21, 22, 23, 24, 28 teeth need restoration. The crowns confining the defect are high and stable. To restore the integrity of the dental arch, it is planned to fabricate a cast clasp denture. What kind of mechanical fixator should be used?

Bar fixation

Supporting-retaining clasps

Retaining clasps

Dentoalveolar clasps

Telescopic fixation

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A 48-year-old patient has undergone unilateral resection of the maxilla. He needs a resection prosthesis. Objectively: the 21, 22, 23, 24, 25, 26 teeth are stable, hard palate is broad, flat. What kind of attachment of clasps to the base will reduce the instability of the resection prosthesis?

Elastic

Does not matter

Fixed

Articular

Stable

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Residents of a remote settlement need prosthetic care. What health care facility should provide it?

Occupational health facility

Rural outpatient clinic

City dental clinic

Rural district hospital

Regional dental clinic

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A 24-year-old hemophiliac has been diagnosed with exacerbation of chronic pulpitis of the 11 tooth. Select the best method of tooth treatment in this case:

Vital amputation

Biological treatment

Devital extirpation

Devital amputation

Vital extirpation

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A 25-year-old female patient consulted a dentist about acute pain in the maxilla on the left. The pain occurs while eating. Objectively: on the distal approximate surface of the 26 tooth there is a cavity filled with light softened dentin. Probing causes a slight pain along the dentin-enamel junction, percussion causes no pain response. Cold water causes quickly abating pain. What is the most likely diagnosis?

Acute deep caries

Chronic median caries

Chronic deep caries

Chronic fibrous pulpitis

Acute median caries

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A 45-year-old male patient complains of bleeding gums, tooth mobility, hypersensitivity in the cervical zone. Objective examination revealed presence of all teeth, 1-2 class mobility, pathological gingival pockets with serous exudate. Radiograph shows widening of the periodontal ligament space, alveolar bone resorption by 1/3 - 1/2 of the root length. What kind of tooth stabilization is indicated?

Parasagittal

Stabilization of entire dental arch

Front

Sagittal

Front and sagittal

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During mandibular anesthetization with 4% solution of Ultracain-forte, a 13-year-old girl complained of sudden weakness, laboured respiration, nausea, fear. Objectively: the patient has pale skin covered with cold sweat, hyperemic spots on the face and neck. Respiration is frequent, the pulse is weak, blood pressure is 60/40 mm Hg, hands are cold. What is the most likely diagnosis?

Anaphylactic shock

Collapse

Traumatic shock

Syncope

Toxic shock

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A 65-year-old female patient complains of complete edentulousness. Examination of the oral cavity revealed that alveolar process of the edentulous mandible was markedly atrophied in the frontal region, while it was expressed in the distal region. Specify the class of atrophy according to Keller classification:

Class III

Class I and III

Class I

Class IV

Class II

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A 28-year-old patient complains of tender gums, gingival hemorrhages and pain, especially while eating, for a week. Objectively: the gums are swollen and markedly hyperemic, especially in the region of the 43,42,41, 31, 32, 33 teeth, soft plaque and tartar are present, gingival sulci are up to 2 mm deep. What is the most likely diagnosis?

Acute deep gingivitis

Initial stage of chronic generalized periodontitis

Exacerbation of initial generalized periodontitis

Chronic catarrhal gingivitis

Hypertrophic gingivitis

‹ Назад

Далі ›

A 24-year-old male patient complains of acute gingival pain, the inability to eat, bad breath, fever up to 38oC, general weakness. Objectively: the patient is pale, lymph nodes are enlarged. Gingival papillae are swollen and hyperemic, there are individual ulcers covered by necrotic coating. What additional study is required in the first place in order to clarify the diagnosis?

Allergologic tests

Panoramic radiography

Complete blood count

Urinalysis

Kavetsky test with trypan blue

‹ Назад

Далі ›

A 35-year-old patient complains of gingival hemorrhage during tooth brushing. Objectively: gums of both jaws are hyperemic and cyanotic, supragingival and subgingival tartar is present. The periodontal pockets are 4-6 mm deep. What is the most likely provisional diagnosis?

II grade generalized periodontitis, chronic course

Catarrhal gingivitis

II grade parodontosis

Exacerbation of I grade generalized periodontitis

Hypertrophic gingivitis

‹ Назад

Далі ›

A 27-year-old male patient complains of aching long-lasting pain in the 15 tooth during having meals, especially cold food. Sometimes the pain occurs when the temperature changes. Objectively: on the distal surface of the 15 tooth there is a cavity filled with softened dentin. Probing causes pain reaction. Electroexcitability of the pulp is 35 iA. What is the most likely diagnosis?

Chronic fibrous pulpitis

Acute deep caries

Exacerbation of chronic pulpitis

Chronic deep caries

Hyperemia of the pulp

‹ Назад

Далі ›

A 25-year-old patient undergoes treatment at the clinic of maxillofacial surgery for the mandibular ameloblastoma localized in the angle. The patient has been scheduled for a partial resection of the mandible with a single-stage bone autoplasty. It is most expedient to take a bone graft from:

Foot bones

VI rib

Femur

Collarbone

Iliac bone ridge

‹ Назад

Далі ›

A 36-year-old female patient complains of headache, inability to close the jaws. She has a history of an injury followed by loss of consciousness, nausea. Objectively: the midface tissues are edematous, there is bilateral eyelid hemorrage, open bite. Palpation of the midface bones causes acute pain. In the back of nose there is marked symptom of step deformity, nasal hemorrhage is present. Palpation of the oral cavity reveals mobility of the maxilla. Make a diagnosis:

Le Fort III maxillary fracture (top)

Le Fort II maxillary fracture (middle)

Le Fort I maxillary fracture (bottom )

Maxillary Guerin fracture

Le Fort II maxillary fracture (middle), concussion

‹ Назад

Далі ›

Objective examination of a 65-year-old patient with the completely edentulous mandible revealed a marked uniform atrophy of the alveolar bone; bony prominences on the lingual surface in the region where premolars had previously been. Mucosa was unevenly pliable; alveolar crest was mobile in the frontal region. The clinical condition of the mandible should be taken into consideration at the following stage of denture fabrication:

Taking an anatomical impression

Taking a positive pressure impression

Measuring the centric relation of jaws

Taking a decompression impression

Taking a differentiated impression

‹ Назад

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Objective examination of a 67-year-old patient with the edentulous maxilla revealed minor uniform atrophy of the alveolar processes. Maxillary prominences were well preserved, the frenulum and bucco-alveolar folds were attached at the base of the alveolar process, the palate was deep, the torus palatinus was expressed insignificantly. These clinical presentations correspond with the following class of atrophy according to Schroeder classification:

1

3

2

4

5

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A 2-year-old boy has a brown spot with a rough surface covered with coarse hair on his left cheek. According to parents, the neoplasm has been present since birth and exhibits a slight enlargement as the child grows. What is the most likely diagnosis?

Melanoma of cheek

Kaposi’s sarcoma

Facial neurofibromatosis

Vascular nevus

Pigmented nevus

‹ Назад

Далі ›

A 53-year-old male patient has a history of generalized periodontitis. It is planned to fabricate fixed splints for both jaws intended to stabilize the teeth along the entire dental arch. Which of the maxillary pillars will have the functional significance for the distribution of masticating pressure?

Zygomatic, pterygoid, palatine

Frontonasal, zygomatic, pterygopalatine, palatine

Frontonasal, zygomatic, palatine

Frontonasal, zygomatic, pterygopalatine

Frontonasal, pterygoid, palatine

‹ Назад

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A 12-year-old girl complains of white spots on the vestibular surfaces of teeth and mouth soreness that occurs during eating sour foods. It is known from the history that the spots appeared about 3 months ago. Objectively: the vestibular surfaces of the front maxillary teeth exhibit chalky spots that are stainable with 2% methylene blue. What is the most likely diagnosis?

Acute median caries

Acute superficial caries

Chronic median caries

Acute initial caries

Chronic superficial caries

‹ Назад

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A 25-year-old male patient has been diagnosed with a linear nondi-splaced fracture of the mandible between the 32 and 33 tooth. What splint should be used for the fixation of bone fragments?

Wire anchor splint

Splint with spacer bar

Vasilyev splint

Brace with an oblique plane

Smooth brace

‹ Назад

Далі ›

A 46-year-old patient complains of a periodic swelling in the right submandibular region when eating, dry mouth. Bimanual palpation of the middle portion of the hyoid region on the right revealed a moderately painful dense lump. From the excretory duct of the submandibular gland some muco-purulent exudate is expressed. The patient should be referred to the following roentgenologic examination:

Spot-film radiography of the alveolar process

Survey radiography of the facial bones

Radiography of the mouth floor

Radiography of the mandible in the lateral projection

Panoramic radiography of the jaws

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An 8-year-old boy complains of a defect in the 11 tooth crown. Objectively: 1/3 of the 11 tooth crown is broken off, the pulp chamber is closed. Radiograph shows incomplete root formation. Select the optimal way of prosthetics for the 11 tooth:

Plastic crown

Metal-ceramic crown

Post and core

Combined crown

Thin-walled metal crown

‹ Назад

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A 9-year-old boy requires complex dental care. Objective examination revealed chalky spots with lustrous surface on the vestibular surfaces of the 22, 21, 11, 12 teeth, as well as on the tubercles of the 26, 26, 46 teeth. The affected teeth are not sensitive to thermal and chemical stimuli. The child has a previous history of rickets. He lives in a locality where the fluoride concentration in drinking water is 0,5 mg/l. What is the most likely diagnosis?

Local enamel hypoplasia

System enamel hypoplasia

Stainton-Capdepont syndrome

Amelogenesis imperfecta

Fluorosis

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A 6-year-old child with contused forehead laceration had been taken to the emergency room at a children’s hospital. The child was examined by the maxillofacial surgeon who performed primary surgical debridement and closed the wound with immediate primary sutures. The child was recommended to undergo further treatment on an outpatient basis at a district polyclinic. Specify the first-priority measure in this case:

Bed rest

Surgeon follow-up

Complex dental care

Antimicrobial therapy

Consultation by a neurosurgeon

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An 8-year-old child has been clinically diagnosed with exacerbation of chronic periodontitis of the 84 tooth. The crown is decayed by half. What is the dentist’s optimal tactics?

Endodontic treatment

Endodontic treatment and drug therapy

Drug therapy

Dissection along the mucogingival junction, drug thrapy

Extraction

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6 months ago a 65-year-old patient received a permanent intracoronal splint for the front maxillary teeth. The splint was fabricated with the use of fiberglass tape. Radiograph shows that the root of the 12 tooth is localized only in the soft tissues. The splint is in a good condition. What is the optimal tactics of this patient management?

Extract the 12 tooth and restore the defect with a porcelain-fused-to-metal crown

Extract the 12 tooth and fabricate a bridge

Amputate and extract the root of the 12 tooth

Replace the 12 tooth in the splint by an artificial plastic tooth

Start conservative treatment

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A 55-year-old male patient diagnosed with chronic median caries of the 33 tooth presented to a dental clinic. It is known from the history that the patient has a cardiac pacemaker What would be the optimal material for a permanent filling?

Chemical-cure composite

Silicate cement

Compomer

Light-curing composite

Silicophosphate cement

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A 14-year-old patient complains of moderate non-irradiating pain in the region of the 37 tooth. Objectively: the 37 tooth exhibits a deep carious cavity communicating with the pulp chamber. Probing and thermal stimulation cause no pain response, vertical percussion is positive. Radiograph shows no pathological alterations. What is the most likely diagnosis?

Acute serous periostitis

Acute serous periodontitis

Exacerbation of chronic periodontitis

Acute suppurative periodontitis

Acute suppurative pulpitis

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A 32-year-old patient lost the 41 and 31 teeth as a result of a sports injury. Reimplantation is impossible because the crown and root surfaces of these teeth are cracked and chipped. Clinical and radiological examination proved the possibility of immediate implantation. What material should be preferred for the implants?

Platinum

Titanium

Carbon

Sapphire

Porcelain

‹ Назад

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Radiography of the 46 tooth in a 7-year-old child revealed parallel root walls with a gradual decrease of their thickness resulting in pointed ends. There is a root canal narrowing in the region that is adjacent to the tooth cavity, and a widening at the nascent apical aperture. Periodontal ligament space has a uniform width over the entire root length. In the periapical region it merges with the growth zone. Specify the stage of the root development:

Incomplete periodont development

-

Complete root and periodont development

Open apex

Incomplete root growth

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A 5-year-old child complains of spontaneous pain in a maxillary tooth on the right. The pain gets worse at night and during eating cold food. Objectively: the 65 tooth has a deep carious cavity communicating with the tooth cavity. Probing causes pain response, the tooth is not sensitive to percussion. Cold water causes long-lasting pain. Make a provisional diagnosis:

Acute periodontitis

Exacerbation of chronic periodontitis

Acute purulent pulpitis

Exacerbation of chronic pulpitis

Acute serous pulpitis

‹ Назад

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A 4-year-old child complains of acute spontaneous pain in a mandibular tooth on the right. The pain is aggravated by cold stimuli. Objectively: the 84 tooth exhibits a deep carious cavity that does not communicate with the tooth cavity. Probing causes pain response all over the cavity floor, percussion causes pain. The mucosa in the region of the 84 tooth is hyperemic, edematous. Regional lymph nodes are enlarged. What is the most likely diagnosis?

Exacerbation of chronic periodontitis

Acute pulpitis complicated by periodontitis

Acute serous pulpitis

Acute suppurative pulpitis

Acute serous periodontitis

‹ Назад

Далі ›

A patient presented to a dental clinic for the purpose of prosthetics. Objectively: completely edentulous mandible. There is marked and uniform atrophy of the alveolar portion. Frenula and folds are characterized by high attachment. Specify the type of mandibular atrophy according to Keller classification:

Class V

Class II

Class III

Class I

Class IV

‹ Назад

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A 43-year-old patient consulted a dentist about numbness of the left half of his tongue, which developed 10 days ago after the atypical extraction of the 38 tooth. What nerve was damaged during the surgery?

Inferior alveolar

Glossopharyngeal

Lingual

Sublingual

Facial

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Soon after anesthetization a 55-year-old patient reported severe weakness, retrosternal pain that irradiated to his left arm and scapular region, palpitations. Objectively: the patient is conscious, adynamic, pale, the forehead is covered with cold sweat. AP- 90/60 mm Hg, cardiac sounds are muffled, the pulse is thready and arrhythmic. What condition developed in the patient?

Myocardial infarction

-

Angina attack

Cardiogenic form of anaphylactic shock

Collapse

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During tooth extraction a 55-year-old female patient reported dull retrosternal pain, feeling of chest compression. The dental surgeon who was performing the tooth extraction made a diagnosis of angina. What drugs should be given the patient for the relief of this condition?

Diphenhydramine

Baralgin

Nitroglycerin, validol

Ketanov

Analgin

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A 1-month-old child has been brought to a maxillofacial surgeon for examination. Objectively: there is a fissure running transversely from the right corner of mouth through the full thickness of cheek up to the anterior edge of the masseter muscle. What is the patient’s diagnosis?

Right transverse facial cleft

Cleft nasal deformity

Mandibular cleft

Right oblique facial cleft

Right upper lip cleft

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A 38-year-old female complains of experiencing pain in her lower lip for half a year, difficult eating and talking. The patient sought medical help at place of residence, but the administered treatment was ineffective. Examination of the lower lip revealed a deep fissure in the centre which affected the vermilion border and partly the mucous membrane of lips. The fissure was covered with a brown crust, after its removal the fissure started bleeding. The fissure edges are hyperkeratinized, infiltrated. Select the optimal treatment tactics:

Application of corticosteroid ointment

Application of keratoplastic agents

Fissure excision

Application of antibiotic ointment

Irradiation with helium-neon laser

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Далі ›

A 48-year-old female patient complains of hard tissue defects found on the maxillary incisors. The defects appeared about a year ago and have been enlarging since that time. Objectively: on the convex portion of the vestibular surface of the maxillary incisors there are oval varisized enamel defects. The defect surface is smooth, lustrous, solid. In order to prevent progression of this process, the patient should be advised to limit consumption of:

Marine products

Sweet food

Meat products

Sour food

Tea

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During local anesthetization with 2 ml of 10% lidocaine a 9-year-old girl suddenly screamed, lost consciousness and developed generalized convulsions. The skin is pale and cyanotic. The pulse is not palpable because of convulsions. What is the provisional diagnosis?

Angioedema

Bronchial obstruction

Lidocaine intoxication

Anaphylactic shock

Febrile seizures

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A 56-year-old patient was undergoing treatment for pulpitis of the 47 tooth. For the purpose of the pulp devitalization arsenic paste was used. The patient failed to keep an appointment with the dentist for further treatment. As a result, toxic arsenic periodontitis developed. Which of the physiotherapy methods should be applied to address the complication?

Potassium iodide electrophoresis

UHF

Galvanization

Fluctuorization

D‘arsonvalisation

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Following an uncomplicated extraction of the 37 tooth, a 60-year-old patient has profuse phatnorrhagia. The patient has a 6-year history of essential hypertension. AP- 180/110 mm Hg. What kind of emergency care should be rendered?

Give an injection of hemostatic drugs

Suture the tooth socket

Pack the tooth socket with a hemostatic sponge

Give an injection of antihypertensive drugs and pack the tooth socket tightly

Pack the tooth socket tightly with an iodoform turunda

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A child is 11 years old. Examination of the oral cavity revealed that the front maxillary teeth completely overlap the mandibular ones. Lateral teeth in the sagittal and transversal planes have a normal contact. The child has been diagnosed with a deep overbite. This abnormality is typically accompanied by the dysfunction of:

Speech, chewing

Swallowing, biting off

Biting off, breathing

Breathing, swallowing

Chewing, biting off

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A 25-year-old male patient presented to the department of maxillofacial surgery with complaints of pain during eating, which arose three days ago after an injury. Objectively: the face is asymmetric due to the swelling of the buccal and infraorbital regions on the left. Mouth opening is slightly restricted because of pain. Maxillary alveolar process and left maxillary teeth are mobile. There is a hemorrhage along the left mucogingi-val junction in the region of the said teeth; the site is tender to palpation. What diagnosis can be assumed?

Le Fort II fracture of the maxilla

Fracture of the zygomatic bone

Le Fort III fracture of the maxilla

Fracture of the maxillary alveolar process

Fracture of the zygomatic arch

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A 34-year-old patient complains of intense, tearing, throbbing pain in the 17 tooth, which appeared for the first time and persists for 4 days. Percussion causes acute pain in any direction, the tooth is mobile, the mucosa around the 17 tooth is hyperemic and edematous; palpation of the mucogingival junction causes acute pain. What is the most likely diagnosis?

Acute serous periodontitis

Acute suppurative periodontitis

Acute suppurative pulpitis

Exacerbation of chronic periodontitis

Localized periodontitis

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A 45-year-old patient complains of acute, spontaneous, nocturnal pain in a maxillary tooth on the right. The pain arose three days ago, has a pulsating nature, irradiates to the zygomatic region and virtually doesn’t cease. Objectively: there is a deep carious cavity in the 15 tooth. Dentin is of dirty-gray color, softened. Probing causes pain response across the entire floor, the tooth is sensitive to percussion. Cold stimulus reduces the pain intensity. Electroexcitability of the pulp is 55 iA. What is the most likely diagnosis?

Acute suppurative periodontitis

Acute pulpitis limited

Acute suppurative pulpitis

Acute diffuse pulpitis

Acute serous periodontitis

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A 13-year-old girl complains of experiencing pain, gum bleeding and bad breath for about six months. Objectively: in the region of the front mandibular teeth the gingival papillae and gingival margin are hypertrophied, edematous, cyanotic. There is a soft plaque in the cervical region. Hygiene index -3. The doctor administered a local anti-inflammatory therapy. Specify the further tactics of local treatment:

Gingivotomy

Sclerotherapy

Vestibuloplasty

Gingival curettage

Physiotherapy

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A 6-year-old child complains of pain in the right submandibular region. A day before he complained of a sore throat. Objectively: the child is in moderately severe condition, body it is 37,9oC. The face is asymmetric due to a dense tender infiltrate in the right submandibular region. The infiltrate is slightly mobile, the overlying skin is hyperemic. There is fluctuation in the center. The teeth are intact. What is the most likely diagnosis?

Acute suppurative non-odontogenic submandibular lymphadenitis

Phlegmonous adenitis

Sialadenitis

Acute serous non-odontogenic submandibular lymphadenitis

Acute suppurative odontogenic submandibular lymphadenitis

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A 45-year-old male patient working as an actor consulted a dentist about mobility of his front mandibular teeth, gingival hemorrhages during tooth brushing. Objectively: gingival hyperemia and hemorrhage, periodontal pockets in the front portion of the mandible are up to 5 mm deep, tooth mobility of the I-II class is present. What kind of splinting the mandibular front teeth will be optimal for this patient?

Full crown splint

Ligature wire

Cap splint

Cast pin splint

Fiber-reinforced adhesive splint

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Далі ›

A 44-year-old female patient with generalized I grade periodontitis is scheduled for the selective grinding of teeth. What examination is required prior to this procedure?

Radiography

Rheoparodontography

Electroodontometry

Occlusiography

Gnathodynamometry

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Далі ›

A 60-year-old patient undergoes treatment of the 11 and 21 tooth for chronic deep caries ( Black’s class III). He has a history of cataract surgery. What is the optimal material for cavity filling in this case?

Silicate cement

Compomer

Hybrid glass ionomer

Light cure composite

Chemical cure composite

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Clinical examination of a 10-year-old girl’s oral cavity revealed an 11 mm gap in a sagittal plane, the contact of the lateral maxillary teeth with the front mandibular teeth, mesiobuccal cusps of the 16 and 26 tooth located on the cusps of the 35 and 45 tooth. What additional examination method will allow to make a definitive diagnosis and specify clinical form of malocclusion?

Orthopantomography

Clinical functional tests

Anthropometric measuring of jaw models

Profile teleroentgenography

Determining morphological facial index

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A 70-year-old completely edentulous patient undergoes treatment with complete removable dentures. Artificial teeth are placed upon a spherical surface. Specify the average radius of the spherical surface that would ensure close teeth contact during the mandible motions:

9 cm

12 cm

5 cm

18 cm

7 cm

‹ Назад

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A 47-year-old male patient was undergoing complex dental treatment. After anesthetization the patient reported dizziness, ringing in the ears, blackout, general weakness. Ps- 96 bpm, AP- 90/60 mm Hg. The patient lost consciousness for 30 seconds. What condition developed in the patient?

Anaphylactic shock

Collapse

Epileptic seizure

Syncope

Traumatic shock

‹ Назад

Далі ›

A patient consulted a dentist about fabrication of a restorative crown for the 36 tooth. During examination the dentist revealed a roundish, hard, painless, lustrous ulcer on the left lateral surface of tongue. What is the most likely diagnosis?

Syphilitic ulcer

Tuberculous ulcer

Lichen planus

Decubital ulcer

Vincent’s necrotizing ulcerative stomatitis

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A 65-year-old male patient complains of a long-lasting pain in a mandibular tooth on the right. The pain increases on biting. The patient has a history of this tooth treatment for caries. Objectively: the cavity on the masticatory surface of the 36 tooth is filled, percussion causes pain responce. Along the mucogingival junction in the projection of the 36 tooth roots there is a fistula with purulent discharge. What is the most likely diagnosis?

Chronic fibrous periodontitis

Chronic granulating periodontitis

Radicular cyst of the mandible

Exacerbation of chronic periodontitis

Chronic granulomatous periodontitis

‹ Назад

Далі ›

Prior to installation of complete removable dentures, it is necessary to verify the occlusal relation with different movements of the mandible. What muscle is responsible for transversal movements of the mandible?

Digastric

Inner (medial) pterygopalatine

Masticatory

Temporal

Outer (lateral) pterygopalatine

‹ Назад

Далі ›

A 65-year-old male patient complains of crepitation and clicking in both temporomandibular joints; pain when moving his mandible to the right; ear noise; dry mouth; glossalgia. He has been using a complete removable denture for the mandible for 6 months. The patient has no history of rheumatosis. Objectively: the lower third of the face is shortened, mental fold is strongly pronounced, mouth corners are downturned, there are angular fissures and cracks. Palpation reveals crepitation during TMJ moving. What is the most likely diagnosis?

Temporomandibular osteoarthritis

Costen’s syndrome

Temporomandibular arthritis

Temporomandibular dislocation

Temporomandibular arthrosis

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A 76-year-old patient has a roundish ulcer on the skin in the region of the right nasolabial sulcus. The ulcer floor is dense, rough, covered with yellowish-gray crusts, looks like a funnel. The ulcer edges are dense, crater-like. The ulcer grows in size and depth. What is the provisional diagnosis?

Squamous cell skin cancer

Tuberculous ulcer

Actinomycotic abscess

Syphilitic ulcer

Basalioma

‹ Назад

Далі ›

A 59-year-old male patient presented to a prosthetic dentistry clinic for the purpose of prosthetics. Immediately during the manipulations the patient developed the following symptoms: weakness, prostration, skin pallor and cyanosis, clammy sweat, a decrease in systolic blood pressure down to 80 mm Hg. What is the most likely diagnosis?

Collapse

Kussmaul’s coma

Myocardial infarction

Shock

Syncope

‹ Назад

Далі ›

A 40-year-old male patient complains of a long-existing fissure in the central portion of the vermilion border of his lower lip. The patient has been a smoker since the age of 16. Along the midline of the vermilion border of the lower lip there is a deep fissure up to 1,0 cm long with the rolled edges. The fissure heals spontaneously, but recurs soon after epithelialization. The patient was diagnosed with chronic lower lip fissure. Conservative treatment proved to be ineffective. Select the most efficient method of treatment:

Excision within 0,5 cm area around the formation

Short-distance irradiation

Cryolysis

Excision within apparently healthy tissues

Diathermocoagulation

‹ Назад

Далі ›

A patient is scheduled for the dissection of an abscessed upper lip furuncle. What kind of anesthesia is indicated for this intervention?

Bilateral infraorbital

Bilateral palatine nerve block

Bilateral tuberal and palatine nerve block

Bilateral infraorbital and palatine nerve block

Bilateral infraorbital and incisive

‹ Назад

Далі ›

An accident victim with an injury of face and the temporal region was diagnosed with a fracture of the zygomatic arch. Which processes of the skull bones are damaged?

Temporal process of the zygomatic bone and the zygomatic process of the frontal bone

Zygomatic process of the maxilla and the zygomatic process of the frontal bone

Zygomatic process of the maxilla and the zygomatic process of the temporal bone

Temporal process of the zygomatic bone and the zygomatic process of the temporal bone

Zygomatic process of the frontal bone and the zygomatic process of the temporal bone

‹ Назад

Далі ›

With the purpose of the 46 tooth extraction, a 28-year-old male patient was given Weisbrem’s anesthesia. Specify the site of anesthetic injection with this anesthesia:

Retromandibular fossa

Mandibular torus

Mandibular temporal crest

Maxillary tuber

Retromolar fossa

‹ Назад

Далі ›

A 7-year-old child with a marked bilateral swelling of the parotid regions, tenderness on palpation of the tragus, condylar and mastoid process, dryness of the oral mucosa was diagnosed with mumps of a mild severity grade. Select a medical tactic with respect to this severity grade:

Outpatient treatment without isolation of the child

Hospitalization in children’s department of oral and maxillofacial Surgery

Hospitalization in the infectious diseases hospital

The child is allowed to attend children’s institutions

Outpatient treatment with isolation of the child

‹ Назад

Далі ›

Examination of a 12-year-old child revealed a significant increase in the size of the jaws, presence of gaps between the teeth, tongue enlargement, disproportionate skeletal growth. This pathology has been caused by the dysfunction of the following gland:

Pituitary

Sex

Pancreas

Parathyroid

Thyroid

‹ Назад

Далі ›

An 11-year-old boy had been diagnosed with a 6 mm wide diastema of type 2 (by Khoroshilkina FI. classification). To normalize the incisor position, the Korkhaus appliance was used. What kind of movement is facilitated by this appliance?

Intrusion

Extrusion

Torque

Bodily movement

Rotation

‹ Назад

Далі ›

A 24-year-old male patient complains of spontaneous pain in the 24 tooth, which arose suddenly and persists for about 15 minutes. Objectively: the distal surface of the 24 tooth exhibits a deep carious cavity with overhanging walls. The cavity is filled with light softened dentin and communicates with the tooth cavity. The cold stimulus causes acute, slowly abating pain. Percussion causes no pain response. Select the best method of treatment:

Vital extirpation

Devital extirpation

Devital amputation

Biological method

Vital amputation

‹ Назад

Далі ›

A 9-year-old girl has had gingival hemorrhages, cracks in the mouth corners for a month. She has a history of frequent nosebleeds, rapid fatigability. Objectively: the facial skin and oral mucosa are pale. In the mouth corners there are cracks reaching the vermilion border. Gingiva in the region of the 11 and 12 teeth is hyperemic and edematous, bleeds when touched. DMF/dmf = 10. Back of the tongue is bright red, smooth, glossy. Submandibular lymph nodes are slightly enlarged, mobile, painless. What specialist is it necessary to consult with in the first place?

Infectious disease specialist

Gastroenterologist

Hematologist

Endocrinologist

Neuropathist

‹ Назад

Далі ›

A 25-year-old patient complains of pain when biting on the 15 tooth. The pain arose two days ago, has a constant aching nature and increased significantly over the last day. Objectively: the crown of the 15 tooth is gray, the medial contact surface exhibits a deep carious cavity communicating with the tooth cavity. Percussion causes acute pain, the gingival mucosa in the projection of the 25 tooth root apex is hyperemic. The regional lymph node is tender. Radiograph shows an ill-defined zone of periapical bone destruction. What is the most likely diagnosis?

Acute serous periodontitis

Acute serous periodontitis, intoxication stage

Exacerbation of chronic periodontitis

Acute suppurative periodontitis

Chronic granulating periodontitis

‹ Назад

Далі ›

A 5-month-old infant has acute hematogenous osteomyelitis of the maxilla, there are fistulae with purulent exudate at the medial angle of the right eye. Specify the probable long-term effects of the disease:

Macrogenia

Chronic rhinitis

Chronic sinusitis

Macrognathia

Bony ankylosis of the right TMJ

‹ Назад

Далі ›

A 16-year-old boy has been diagnosed with a fracture of the left zygomatic bone with a fragment displacement. Select the most efficient method of treatment:

Open reposition and osteosynthesis with metal plates

Closed reposition

Bone suture

Any of these methods is applied in children and adolescents

Osteosynthesis with metal wires

‹ Назад

Далі ›

A 5-year-old girl complains of pain in the mouth corners occurring when opening the mouth. She has a history of acute bronchitis and prolonged antibiotic therapy. Objectively: the vermilion border of lips is dry, the mouth corners are downturned. In the mouth corners there are cracks covered with a white plaque and surrounded by a slightly hyperemic elevation, tender on palpation and mouth opening. Oral mucosa exhibits no pathological alterations, dmf - 2, hygiene index - 2,0. What is the most likely diagnosis?

Glandular cheilitis

Streptococcal cheilitis

Exfoliative cheilitis

Meteorological cheilitis

Mycotic cheilitis

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A female patient complains of a moderate gum pain, tooth sensitivity to the thermal stimuli. Objectively: the gingiva is pale, dense, there is gingival retraction in the region of the front mandibular teeth. Radiograph shows the resorption of the interalveolar septa to 1/3 of the root length. What is the most likely diagnosis?

Periodontosis initial stage

Localized periodontitis

Catarrhal gingivitis

Periodontosis grade I

Periodontosis grade II

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A 60-year-old patient needs a partial removable denture for the maxilla. The centric jaw relation has been determined. What is the next stage of prosthetics?

Try-in of the denture

Fabrication of plaster models

Checking the wax denture construction

Taking impressions

Relining the denture

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A 40-year-old patient complains of clicking in the region of his right TMJ projection which occurs in the final phase of mouth opening. The sounds in the joints arose after prosthetic procedures. Mouth opening is not restricted, the opening trajectory is straight, the opening amplitude is 5 cm. What is the most likely diagnosis?

Luxation of mandible

Posterior dislocation of the articular disc

Subluxation of mandible

Perforation of the meniscus

Anterior dislocation of the articular disc

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A mother consulted a dentist about the lip lesions in her child. Throughout the 1-2 year of life, the child had diathesis of moderate severity with affection of the face skin. Objectively: the lips are somewhat edematous, there are dry crusts on the vermilion border and the lip skin, in the mouth corners there are cracks and radial scars. The eyelids are edematous with hyperemic edges. What is the most likely diagnosis?

Meteorological cheilitis

Chronic fissure of lips

Eczematous cheilitis

Exfoliative cheilitis

Glandular cheilitis

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Examination of a 7-year-old child revealed that all temporary maxillary molars were extracted. Mandibular incisors were in contact with the palatal mucosa. What is the optimal doctor’s tactics?

Fabrication of a removable laminar claspless denture for the maxillary teeth restoration

Fabrication of an orthodontic device for the treatment of deep overbite

Check-ups once a year until the eruption of permanent teeth

Fabrication of a removable denture with clasp fixation for the maxillary teeth restoration

Check-ups every six months until the eruption of permanent teeth

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A 34-year-old dental patient has an indication for the extraction of the 38 tooth for chronic fibrous periodontitis. The dental surgeon used torusal (Weisbrem’s) anesthesia. What nerves are blocked by this anesthesia?

Lingual, buccal

Superior alveolar, lingual

Superior alveolar, lingual, buccal

Lingual, buccal, mental

Superior alveolar, buccal

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A 40-year-old patient has an indication for the extraction of central maxillary incisors. What nerve structures are blocked by the incisor anesthesia?

Posterior superior alveolar branch of the infraorbital nerve

Middle superior alveolar branch of the infraorbital nerve

Anterior superior alveolar branch of the infraorbital nerve

Nasopalatine nerve

Dental nerve plexus

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A 40-year-old male patient complains of having experienced seasonal pain (in spring and summer), and a burning sensation in the lips for 3 years. Examination reveals edema and hyperemia of the vermilion border of the lower lip, numerous erosions sized 2-3 mm, crusts and cracks in the mouth corners. Palpation causes moderate pain, regional lymph nodes are not enlarged, the perioral skin is not changed. What is most likely provisional diagnosis?

Exfoliative cheilitis, edematous form

Lichen planus, erosive form

Actinic cheilitis

Eczematous cheilitis

Mycotic angular cheilitis

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A 25-year-old male patient lives in a locality where fluoride concentration in drinking water is 5,5 mg/l. Tooth crowns are deformed due to destruction and wear of hard tissues. In the 22, 23, 32 teeth the enamel is chipped. What form of fluorosis is observed in this patient?

Chalky and speckled

Erosive

Streaked

Destructive

Spotty

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Prior to the preparation of a tooth for a porcelain-fused-to-metal crown, a dentist anaesthetized a patient with a history of bronchial asthma with 2% solution of novocaine. A few minutes later, the patient complained of shortness of breath (more difficult expiration), there appeared acrocyanosis, swollen neck veins, Ps-100 bpm, rhythmic, AP- 180/110 mm Hg. Percussion revealed box sound over lungs. What is the most likely diagnosis?

Bronchiectasis

Attack of bronchial asthma

Pulmonary artery thrombosis

Collapse

Coronary artery disease

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A 12-year-old girl complains of acute pain in the left mandibular region, general weakness, fever up to 39oC, difficult swallowing. Objectively: the face is asymmetric, the tongue is plaqued, halitosis is present. Percussion reveals signs of acute periodontitis of the 34, 36 teeth, as well as mobility of these teeth. Gums are hyperemic, edematous, there is infiltration on both sides of the alveolar process. Regional lymph nodes are enlarged, tender on palpation. Vincent’s symptom is present. Blood test results: leukocytosis with a left shift; urine contains traces of protein. What is the most likely diagnosis?

Acute odontogenic osteomyelitis of the mandible

Acute odontogenic purulent abscess

Acute odontogenic purulent lymphadenitis

Exacerbation of chronic periodontitis

Odontogenic submandibular abscess

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Parents of a 3-year-old child took the child to a pedodontist for complex dental care. The child has cerebral palsy. Objectively: there is multiple dental caries, gingival mucosa is hyperemic, oral hygiene is inadequate. What method of dental care may be appropriate in this case?

Without anesthesia

Treatment after administration of sedatives

Under local injection anesthesia

Under local application anesthesia

Under general anesthesia

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