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Тестування студентів 3 курсу.
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A patient needs endodontic treatment of tooth 21. The canal is being processed with manually operated endodontic instruments. Name one such instrument made by means of conical spiral threading (turning) of a steel wire with round cross-section (milling):
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What shape does the upper dental arch have in the permanent dentition?
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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?
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A 14-year-old child complains about acute spontaneous pain in an upper jaw tooth on the right. The pain has been lasting for 3 days, it is throbbing, irradiating to the temple, getting worse at night. Objectively: surface of the 15 tooth exhibits a carious cavity within parapulpar dentine. Dentine is softened, of greyish colour. Probing of the whole cavity floor is painful, percussion of the 15 tooth is painless. What is the most likely diagnosis?
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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?
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A 15-year-old girl complains of brief pain attacks in her teeth due to chemical stimuli. Objectively: on the contact surfaces of the 11, 21, and 22 teeth there are enamel areas matt white in color, with lost shine, covered in large amount of dental deposit. Enamel is softened and can be easily chipped off with excavator. Probing of lesions is painless. Percussion is painless. No reaction to cold stimuli. Make the diagnosis:
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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:
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An 18-year-old patient lives in an area with fluoride concentration in the drinking water at the rate of 0,7 mg/l. The patient complains of white spots on the front teeth, sensitivity to sweet food. Objectively: there are chalky spots on the vestibular surface in the cervical part of teeth. Enamel has lost its gloss. Which of the following methods will allow to make a diagnosis?
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A 34-year-old male patient complains of acute spasmodic pain in the region of his upper jaw on the left that is aggravating when affected by cold stimuli. Toothache irradiates to the ear and temple. He had acute toothache of the 37 tooth one year ago, but he did not consult a dentist. Pain recurred three days ago. Objectively: the 37 tooth has a carious cavity communicating with the dental cavity. Probing of the opened carious cavity is extremely painful. X-ray picture shows widening of periodontal fissure at the root apex of the 37 tooth. What is the most likely diagnosis?
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A 15-year-old patient complains of carious cavity and short-term ”lightning-fast” pain attacks in the 26 tooth. The pain attacks cease in 1-2 minutes after eating. Objectively: there is a deep carious cavity filled with softened dentin. The cavity floor is painful on probing. Make the diagnosis:
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