HomeKROK Question Archive
KROK Question Archive
KROK 2 Dentistry 2018 Questions | KROKEXAM
Browse 2018 KROK 2 Dentistry exam questions with answers and explanations.
Exam questions
200 Questions121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160
A 25-year-old woman made an appointment with the dental surgeon for oral cavity sanation. Objectively the crown of tooth 37 is destroyed by 2/3. Gingival mucosa around tooth 37 is without changes. What anesthesia should the dental surgeon give to the patient for the procedure of tooth extraction?
View question and answer
A 34-year-old man complains of soft tissues edema in his lower left jaw and ?stulae in the submandibular area. Teeth 36 and 37 are destroyed. Alveolar mucosa is swollen and hyperemic at the level of 36 and 37. X-ray detected sequestra in the mandibular body on the left. What treatment method should be chosen in this case?
View question and answer
A 42-year-old man was delivered to the hospital in the severe condition: inert, body temperature is 39.1°C, there is acutely painful infiltration of the mouth floor and submandibular area on the right. The skin over the infiltration is turgid and cyanotic. Palpation detects crepitus under the skin. What diagnosis can be made in this case?
View question and answer
After a blow to the temporomandibular joint the patient developed facial hematoma, the joint is dif?cult to move, mandibular mobility is reduced. Attempts to open the mouth wide are painful. What examination should be performed to make the diagnosis?
View question and answer
A 38-year-old man after a domestic accident complains of pain and mobility of his upper teeth, problems with eating. Objectively: soft tissues edema. The 11 and 21 teeth are displaced towards the palate, mobile (II-degree), painful on percussion. Mucosa surrounding the affected teeth is hyperemic and swollen. X-ray demonstrates widened periodontal ?ssure of the 11 and 21. Choose the treatment method:
View question and answer
A 4-year-old child has developed acute spontaneous pain in the tooth on the lower right jaw, which aggravates on biting. Objectively: in the 85 tooth there is a deep carious cavity non-communicating with the dental cavity. Probing is sharply painful at all points of the cavity ?oor. Painful reaction to cold water stimulus and percussion is observed; mucosa surrounding the 85 is hyperemic. Submandibular lymphadenitis is detected. Make the provisional diagnosis:
View question and answer
During Eschler-Bittner test the pro?le of a 12-year-old girl with posterior occlusion has shown some improvement. Specify the condition that resulted in the development of posterior occlusion in this patient:
View question and answer
Parents of an 8-year-old girl complain of their child having an aesthetic defect of her teeth. Objectively the patient’s lower face is shortened. Her chin protrudes forwards and her upper lip is sunken. During teeth closure the deep underbite becomes apparent. Mesio-occlusion is observed in the lateral areas. Choose the apparatus optimal for the treatment:
View question and answer
During or immediately after an injection, certain local complications can develop. What is NOT one of those complications?
View question and answer
What manipulation of those listed below is NOT a part of typical procedure of tooth extraction with forceps?
View question and answer
A patient needs the 36 tooth extracted. After administering anesthesia the doctor started applying the elevator. However, immediately after that the patient suddenly paled, complained of dizziness, ear noise, and blackout and slid down in the chair. What is the most likely diagnosis?
View question and answer
A child is diagnosed with congenital cleft in the soft palate and posterior part of the hard palate. What type of anesthesia should be given to the patient for uranostaphyloplasty?
View question and answer
A 6-year-old child complains of pain and edema in the upper right jaw, body temperature up to 37.9°C, and deterioration of general well-being. Symptom onset was 3 days ago. Objectively the face is asymmetric due to soft tissue edema of buccal and infraorbital regions on the right. The crown of 54 is destroyed by 1/2, percussion is painful; the tooth previously had been treated for complicated caries. On the palatine side of the affected tooth area there is a painful infiltration with punctuation in its center; the tissues over the infltration are hyperemic. Make the provisional diagnosis:
View question and answer
A 27-year-old man presents with missing crown of 11. Objectively teeth 21 and 12 are intact; intraoral spot ?lm X-ray shows the root of 11 to be ?lled to the apex, no changes in the periapical tissues, no pathologic mobility. What construction of the denture should be recommended for this patient?
View question and answer
A 54-year-old patient complains of frequent crunching sound in the right temporomandibular joint, which developed one month ago. In the morning the crunching is more frequent and decreases towards the evening. Objectively: the face is symmetrical, the skin over the joint is without changes, the mouth opens by 2.9 mm. What is the most likely diagnosis in this case?
View question and answer
On examination of a 27-year-old patient the tip of the dental probe caught on the fissures of the 36, 37, and 38 teeth. Margins of the enamel defect are dark, the surface is coarse. Teeth transillumination with photopolymer lamp revealed the defect to be limited to the enamel. What is the most likely diagnosis?
View question and answer
A 68-year-old patient addressed a surgical department of a dental clinic for extraction of the 45 tooth. During procedure the patient developed burning retrosternal pain attack irradiating to the left shoulder, scapula, hand. The skin is pale, BP is 140/100 mm Hg, heart rate is rapid. Skin hyperplasia can be observed in the Zakharin-Head’s zones. What emergency condition did the patient develop?
View question and answer
After sustained trauma a man developed nose bleeding, reduced mouth opening, sensation of paresthesia in the right infraorbital region and lower eyelid. Objectively the face is asymmetric due to concave right temporal region; step deformity symptom is observed in the middle of the lower right eye socket and in the area of zygomaticoalveolar crest. What is the most likely diagnosis?
View question and answer
A 14-year-old boy complains of rapid wearing-off of tooth crowns. Objectively: tooth crowns are worn-off by 1/3. Enamel easily chips off and is pale gray in color. Make the diagnosis:
View question and answer
A 63-year-old man complains of pain in the area of maxillary mucogingival fold caused by using a removable laminar denture. Objectively: in the area of the mucogingival fold there is a trophic ulcer with swollen margins and hemorrhaging ?oor. Make the diagnosis:
View question and answer
Objective examination of a 10-year-old child revealed slight hyperemia, infiltration, and dryness of the whole surface of the vermillion border. Architectonics of the lips is disturbed. Dryness and contracted sensation are observed in the lips, especially during cold seasons. Make the provisional diagnosis:
View question and answer
A 24-year-old woman made an appointment with the dental surgeon for extraction of tooth 38. What anesthesia should be given to the patient for the procedure of tooth extraction?
View question and answer
During application of tuberal anesthesia the patient developed rapidly increasing tissue edema and reduced mouth opening. What resulted in such a condition?
View question and answer
A woman came to the dental surgeon with complaints of teeth mobility. After objective examination and X-ray analysis she was diagnosed with generalized periodontitis of stages I and II. Which teeth of those affected by periodontitis should be extracted?
View question and answer
After the in?ammatory process in the parotid area a woman developed frequent pain attacks resembling electric current in her face on the right. The attacks last for 1520 minutes. The most likely diagnosis is:
View question and answer
Mother and her 11-year-old daughter came to the medical station. According to the mother her daughter has fallen when playing outdoors. The doctor determined the patient to have an isolated mechanical injury of soft tissues in her cheek with damaged skin. Make the diagnosis:
View question and answer
The patient with shallow vestibule of mouth and edentulous mandible underwent a surgery: a mucoperiosteal ?ap was relocated from the alveolar ridge to the body of the mandible and fixed with denture acting as a bandage. What surgical procedure was used for vestibular deepening?
View question and answer
A 7-year-old girl received conduction anesthesia with 2% articaine solution for extraction of tooth 16. She has no history of allergies. After receiving anesthesia the patient complained of weakness, she developed skin pallor, cyanosis, and nausea. Her blood pressure dropped signi?cantly. The patient is conscious. What is the provisional diagnosis?
View question and answer
An ambulance has delivered an 8year-old child to an admission room. An oral surgeon has made the following diagnosis: odontogenic phlegmon of the right submandibular area. What surgical approach would be advicable for surgical treatment of this phlegmon?
View question and answer
A 42-year-old man came to the prosthodontics clinic to have dental prosthesis made for him. Objectively teeth 34, 35, 36, 43, and 16 are absent in this patient. During examination alginate impressions for diagnostic models were obtained. What should be used for disinfection of obtained impressions?
View question and answer
A 36-year-old woman needs a dental prosthesis. Objectively there is a carious cavity on the mesial masticatory surface of tooth 46, interdental contact is disturbed. Dental inlay is to be made for this patient. According to Black’s classification of dental caries this cavity is class:
View question and answer
A 45-year-old man complains of pain and crepitation in the temporomandibular joint during the movements of the lower jaw. Objectively: the face is symmetrical, the mouth opens with slight displacement to the left. Dentition is intact. On occlusiography there were detected centric and eccentric supracontacts. What treatment methods should be applied in the first place?
View question and answer
A 45-year-old patient after administration of local anesthesia in preparation for oral surgery has suddenly felt unwell, developed increasing edema of laryngeal mucosa and respiration disorder. The dentist stopped the manipulations in the oral cavity. What type of asphyxia developed in the patient?
View question and answer
A 19-year-old young man, who was waiting for the appointed time at the dentist’s, suddenly developed an attack: his face became purple, bloody foam ?owed from his mouth (bitten tongue), pupils were dilated and unresponsive to light, the patient developed first tonic then clonic convulsions that stopped spontaneously, after that he calmed down and fell asleep quickly. What happened with the patient?
View question and answer
A victim of a traf?c accident was delivered into the admission room. The patient is supine and unconscious. His skin is cyanotic, respiration is extremely labored, mucosa is pale, blood clots are accumulated in the oral cavity. The patient is diagnosed with displaced bilateral mandibular fracture. How should this patient be transported?
View question and answer
A victim of a traf?c accident was delivered into the admission room. The patient is supine and unconscious. His skin is cyanotic, respiration is extremely labored, mucosa is pale, blood clots are accumulated in the oral cavity. The patient is diagnosed with displaced bilateral mandibular fracture. What measures should be taken to prevent complications in this cas
View question and answer
The hospital received a 19-year-old patient injured in a landmine explosion with an open displaced mandibular fracture in the area of the left mandibular angle and a contused lacerated wound of the left submandibular area. The patient is in moderately severe condition, pulse is 80/min., blood pressure is 110/80 mm Hg. What anesthesia should be given to the patient for initial surgical d-bridement?
View question and answer
A 5-year-old child developed a hemorrhage after pulp extirpation of 74 due to exacerbated chronic pulpitis. The child suffers from Von Willebrand disease. What actions should be taken by the dental surgeon to stop bleeding?
View question and answer
Parents of a 9-year-old child came to the dentist complaining that their child presents with enlarged cervical lymph nodes on the right. During examination palpation revealed the lymph nodes in the right submandibular, cervical, supraclavicular, and infraclavicular areas to be enlarged up to 2-2.5 cm in diameter, painless, non-matted together, and non-fused to the skin (resemble "potatoes in a sack"). The parents note rapid fatigability and night sweats in their child. What additional examinations should the child be referred for?
View question and answer
A 45-year-old patient complains of inability to properly masticate due to the loss of lateral teeth. The 17, 16, 15, 25, 26, 27, 37, 36, 35, 44, 45, and 46 teeth are missing. The retained teeth exhibit the I-II-degree of mobility. The patient is diagnosed with generalized periodontitis. Kennedy class I dentition defects are observed. What construction would be optimal in the given case?
View question and answer