1. All of the following reasons are likely to indicate the need for restoration of a cervical notch except _____.Esthetic concern.Tooth is deeply notched axially.Tooth is symptomatic.Patient age.Question 1 of 20 2. Cavity walls of a Class II inlay are:Tapered occlusallyMeet external surface at a butt jointKept parallel to each otherFlared occlusallyQuestion 2 of 20 3. Which of the following is the most commonly used bleaching agent for endodontically treated teeth:SuperoxolHCLCO2 snowChloroformQuestion 3 of 20 4. Enameloplasty is indicated in carious tooth when caries extend to a depth of:Upto 1/3rd the thickness of enamelUpto 1/2 the thickness of enamelUpto 2/3rd the thickness of enamelEnameloplasty can be done irrespective of fissure depthQuestion 4 of 20 5. A hockey player gets hit with a stick, and his central incisors are intruded. Which of the following is the least useful examination procedure?RadiographSoft tissue examVitality testHard tissue examQuestion 5 of 20 6. In a post & core restoration, maximum amount of stress is concentrated:On the distal side of root canalAt the root apexOn shoulder of preparationDistributed uniformly along the root lengthQuestion 6 of 20 7. 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?Irrigate the canal with sodium ypochlorite then apply calcium hydroxideControl the hemorrhage with hemostatic agentsPerform the amputation at a more apical levelApply formocresol with cotton pellets at the amputation siteQuestion 7 of 20 8. Access cavity preparation of anterior teethOften can result in lateral cervical or root surface perforations.Is completed using a k-type file.Are initiated using a no. 6 or 8 round bur. Often can result in labial cervical or root surface perforations.Question 8 of 20 9. When a calcified root canal cannot be located or instrumentedRetrograde and replantation procedures should be considered.The dentist must proceed with the understanding that an unexplored or unfilled canal is worse than a perforation.It is no longer accessible to bacterial infection.Extraction is the treatment of choice.Question 9 of 20 10. Which of the following statements is not true regarding bonding systems?Enamel bonding occurs quickly, is strong, and is long-lasting.One-bottle dentin bonding systems may be simpler but are not necessarily better.Dentin bonding is still variable because of factors such as sclerosis, tubule size, and tubule location.Even though dentin bonding occurs slowly, it results in a stronger bond than to enamel.Question 10 of 20 11. True in case' of traumatic tooth fracture involving dentin:Pin retained composite is treatment of choiceEmergency treatment should be directed towards saving pulp vitalityImmediate splinting of teeth should be doneTooth can be restored immediately or after 9 weeksQuestion 11 of 20 12. To avoid pulpal irritation below any restorative material, the minimum thickness of the dentine should be1.3mm2.5 mm1.5mm2 mmQuestion 12 of 20 13. Identification of lymphocytes in human periapical lesions has shownan absence of T lymphocytes.that T cells outnumber B cells.an absence of B lymphocytes,that B cells outnumber T cells.Question 13 of 20 14. Which one of the following acids is generally recommended for etching tooth structure?Phosphoric acidMaleic acidTartaric acidPolyacrylic acidQuestion 14 of 20 15. Time of application of glutaraldehyde pellet to pulp stump in glutaraldehyde pulpotomy is:5 seconds2 minutes4 minutes30 secondsQuestion 15 of 20 16. Occlusal dovetail in Class II inlay preparation:Resists occlusal displacementIncreases resistance from occlusal forcesResists proximal displacementAligns forces along long axis of toothQuestion 16 of 20 17. In which of the following scenarios would you consider using solvent softened custom conesAfter an apexification procedureAn abnormally large apical portion of the canalAll of the aboveAn irregular apical portion of the canalQuestion 17 of 20 18. The maximum chances of pulpal necrosis are seen in:ExtrusionIntrusionAvulsionSubluxationQuestion 18 of 20 19. The most frequently quoted disadvantage of using the rubber dam isStaff allergies to materialTime consumptionCostNone of the aboveQuestion 19 of 20 20. When restoring severely broken down teeth, which pins are most retentive?InlayCementedFrictionalThreadedQuestion 20 of 20 Loading...
