1. Which of the following tests is the least useful in endodontic diagnosis of children?PalpationCold testElectric pulp testPercussionQuestion 1 of 20 2. Which of the following is not a risk when using air as a coolant cutting with high speedsPulp may be cooled below the danger pointConverging proximal wallsTooth may become hypersensitiveTooth may be dehydratedQuestion 2 of 20 3. To enhance crown preparation and retention, crown lengthening is completed byConventional gingivectomy in the presence of infrabony defects,Electrosurgery in the presence of infrabony defects.Apicaily positioned flap, reverse bevel in the presence of infrabony defects.Laser surgery in the presence of infrabony defects.Question 3 of 20 4. What will happen if MTA is mixed for more than 4 minutes:Dehydration of mass occursFastens setting timeCompressive strength decreasesApical Barrier formation is defectiveQuestion 4 of 20 5. Furcal perforation is often the result ofoversized radicular access preparations.natural occurrence.use of Hedstrom files.use of K-type filesQuestion 5 of 20 6. First consideration in a case with root fracture:Tooth should be extractedRestoration of the toothImmobilisation and stabilizationImmediate root canal therapyQuestion 6 of 20 7. Ultraviolet light-curing resin systems are superior to visible lightcuring resin systems because a greater depth of resin can be cured by UV light.Both statement and reason are correctBoth statement and reason are incorrectThe statement is incorrect but the reason is correctThe statement is correct but the reason is incorrectQuestion 7 of 20 8. A polyp may arise in connection withchronic periapical lesionchronic open pulpitispulp necrosisacute pulpitisQuestion 8 of 20 9. Dental amalgam, when used in the restoration of a cusp should beAt least 2 to 3 mm thickSupported by a pinSupported by enamelCarved out of occlusionQuestion 9 of 20 10. Occlusal dovetail in Class II inlay preparation:Increases resistance from occlusal forcesResists occlusal displacementResists proximal displacementAligns forces along long axis of toothQuestion 10 of 20 11. A desirable property of cement basesHigh edge strengthHigh contact angleLow coefficient of thermal conductivityAdhesivenessQuestion 11 of 20 12. In class II cavity preparation the axial depth of gingival floor should be a minimum of:1.5 mmGingival and pulpal floors should be at same level0.8 mm0.5 mmQuestion 12 of 20 13. Which type of obturation technique requires heat?Lateral condensationChemically plasticizedVertical condensationMTA obturationQuestion 13 of 20 14. Pulpal pain response isDull and throbbing when carried by a-delta myelinated nerve fibers.Dull and throbbing when carried by a-delta unmyelinated nerve fibers.Quick and sharp when carried by a-delta unmyelinated nerve fibers.Quick and sharp when carried by a-delta myelinated nerve fibers.Question 14 of 20 15. Which of the following is not a point angle of a MO Class II cavity?AxiofaciogingivalAxiolinguopulpalDistolinguopulpalCervicogingivopulpalQuestion 15 of 20 16. Core built up on a molar tooth should preferably be done with a chemically cured composite asCore made with a light cure resin would be too opaque and esthetically unacceptableCore made with a light cure resin would be too brittle and would fracture easilyLight cure resin lacks sufficient strength for a coreIts lower viscosity allows free flow of resin also around pins and postQuestion 16 of 20 17. The crown-down preparation advocates beginning radicular access withprecurvaturc of a smaller instrument.removal of the clinical crown.a larger instrument first.a smaller instrument first.Question 17 of 20 18. A radiopaque area is observed in the dentin underlying a three month old Class II amalgam restoration. Which of the following bases was used in the restorationCalcium hydroxideGlass ionomer cementZinc Oxyphosphate cementZinc oxide and eugenolQuestion 18 of 20 19. In a tooth with apical root fracture which of the following is trueTooth will necrose and increased mobilityThe tooth should be extracted as soon as possibleTooth remains vital with little increase in mobilityTooth shows increased mobility with tendernessQuestion 19 of 20 20. Which cells do not characterize the cellular response at the onset of pulpal inflammation?Plasma cellsPolymorphonuclear (PMN) LeukocytesMacrophagesLymphocytesQuestion 20 of 20 Loading...
