1. A canal is prepared apically to size 40.it is found that sizes 20 to 35 can pass beyond working length, but size 40 wont.what kind of apical prep is thisapical seatapical stopopen apexclosed apexQuestion 1 of 20 2. When comparing the Axiopulpal depth of inlay cavity with that of amalgam, the inlay preparation has:Similar depth as an amalgam cavityIncreased depth compared to amalgam cavityWider proximal box compared to amalgam cavityReduced depth compared to amalgam cavityQuestion 2 of 20 3. A hockey player gets hit with a stick, and his central incisors are intruded. Which of the following is the least useful examination procedure?Soft tissue examVitality testRadiographHard tissue examQuestion 3 of 20 4. Which of the following is a clinical diagnosis based on subjective and objective findings indicating that the vital inflamed pulp is incapable of healing and has the following additional descriptors: lingering thermal pain, spontaneous pain, and referred pain?Reversible pulpitisAsymptomatic irreversible pulpitisNone of the aboveSymptomatic irreversible pulpitsQuestion 4 of 20 5. If a carious lesion approaches pulp, the pain is referred to the adjacent teeth. The nerve fibres responsible for this are the:A ?A ?B fibresC fibresQuestion 5 of 20 6. Tooth with maximum accessory canals attached to furcation area:Maxillary premolarMaxillary 1st molarMaxillary 2nd premolarMaxillary 2nd molarQuestion 6 of 20 7. In the ADA Classification of inspection and examination, type 4 is:Examination using mirror, probe, illumination and bitewing radiographsScreening using tongue depressor, mirror & available illuminationExamination using mirror, illumination, study model, radiographsInspection using mouth mirror & probe / explorerQuestion 7 of 20 8. Which one of the following is a caries assessment test:Lugol's iodineSalivary reductase testBenedict testCariogramQuestion 8 of 20 9. Alternating rotational technique uses which blank designSquare without cutting tipTriangular without cutting tipSquare with cutting tipTriangular blank with cutting tipQuestion 9 of 20 10. Initial instrumentation in endodontic treatment is done to the level of the _____.Cementopulpal junctionRadiographic apexCementodentinal junctionDentinoenamel junctionQuestion 10 of 20 11. During the master cone fitting procedure in the endodontic treatment of a patient's tooth, the patient says he has a "sharp shooting pain in the same tooth that ached earlier. "What should be your response and why?Continue with obturation, this is a normal complaint during this part of the procedureConsider looking for an accessory canal and refiling, there is likely pulpal issue that has not been properly debridedTemporize the tooth and obturate at a later dateIrrigate further, the sodium hypochlorite should take care of this problemQuestion 11 of 20 12. To achieve the objectives of vertical condensation, it is necessary to producea cylindrical canal.a straight canal.a conical canal.a tapering conical canal.Question 12 of 20 13. According to ADA specifications, ISO #2 endodontic instrumentsInstruments with cutting tipConstant taper of 0.02mm/mm across the lengthVariable taper instrument across the length2 variable tapers across the length of the instrumentQuestion 13 of 20 14. At what stage is endodontic treatment considered complete?When canals are seared off and plugged.When the coronal restoration is completed.When the patient is asymptomatic.When a temporary restoration is placed and the rubber dam removed.Question 14 of 20 15. While using Kalzinol as a temporary cement, what should be the thickness of material2 mm3 mm1mm4 mmQuestion 15 of 20 16. When the gingival margin is gingival to the CEJ in a Class II amalgam preparation, the axial depth of the axiogingival line angle should be _____.0.2 mm into sound dentinTwice the diameter of a No. 245 carbide burThe width of the cutting edge of a gingival marginal trimmer0.75 to 0.80 mmQuestion 16 of 20 17. While doing a vital pulpotomy on a young, immature permanent tooth, the hemorrhage after pulp amputation could not be controlled with cotton pellets, even after several minutes. What is the next step in completing this treatment?Apply formocresol with cotton pellets at the amputation siteIrrigate the canal with sodium ypochlorite then apply calcium hydroxidePerform the amputation at a more apical levelControl the hemorrhage with hemostatic agentsQuestion 17 of 20 18. Which of the following diagnostic criteria is least reliable in the assessment of the pulpal status of the primary dentition?Electric pulp testSwellingInternal resorptionSpontaneous painQuestion 18 of 20 19. Which of the following are similarities between amalgam Class II restorations and inlay Class II restorations, Exceptocclusal isthmus widthdepth into dentinaxiopulpal line angle shapeconvergent walls on the occlusal surfaceQuestion 19 of 20 20. A root canal treated anterior tooth had radiolucency at the apex. Curettage of the tooth was done and biopsy was performed. Two years later, the size of radiolucency was double its size at the time of surgery. What is the likely causeMissed accessory canalLeakage from poorly debrided or obturated canalFailure to resect root apexActinomyces infectionQuestion 20 of 20 Loading...