1. Which of the following defines the difference between a chronic apical abscess and a periapical cyst/granuloma?Chronic apical abscess is symptomaticChronic apical abscess is asymptomaticOnly histological examination can differentiateThe border of the radiolucent lesionQuestion 1 of 20 2. Many factor affect tooth/cavity preparation. Which of the following would be the least important factor?Size of the toothExtent of the old materialFracture linesExtent of the defectQuestion 2 of 20 3. Due to slowly advancing caries involving dentin, which of the following type of dentin may form in responseSecondaryTertiaryReparativeScleroticQuestion 3 of 20 4. Which of the following is not true regarding a K file as compared to a reamer:It contains more flute than reamersUsed in push & pull motionHas a square cross sectionIs more flexible than a reamerQuestion 4 of 20 5. The main benefit of primary incisor replantation isMaintenance of a normal anterior dentitionTo relieve parental guiltTo maintain child's self-esteemTo maintain child's social acceptanceQuestion 5 of 20 6. The 02 taper on hand K-files is _____.0.02-mm increase in diameter per 2-mm increase in length0.2-mm increase in diameter per 1-mm increase in length0.02-mm increase in diameter per 1-mm increase in length0.2-mm increase in diameter per 2-mm increase in lengthQuestion 6 of 20 7. Pu1pal medication and thermal protection is givenSolution liner (2-50um)Cement liner (0.2-1mm)Cement base (1-2mm)Suspension liner (20-25um)Question 7 of 20 8. A good preventive and treatment strategy for dental caries would include _____.All of the aboveLimiting cariogenic substrateElevating host resistanceControlling cariogenic floraQuestion 8 of 20 9. The main objective of cavity preparation is toRestore functionPrevent cariesTreat cariesRestore occlusionQuestion 9 of 20 10. In class II cavity preparation the axial depth of gingival floor should be a minimum of:Gingival and pulpal floors should be at same level0.8 mm0.5 mm1.5 mmQuestion 10 of 20 11. The pupal response to glass ionomer cement is similar to that forCopper phosphate cementResin cementsZinc oxide - eugenol cementPolycarboxylate cementQuestion 11 of 20 12. Time of application of glutaraldehyde pellet to pulp stump in glutaraldehyde pulpotomy is:2 minutes5 seconds4 minutes30 secondsQuestion 12 of 20 13. Which of the following is not true when fixing the matrix band for filling a Class 2 cavity with amalgam? The matrix band shouldBe higher than the occlusal surface of the toothFit the cervical margin of the proximal box looselySupport the marginal ridge of the restoration during amalgam packingProvide a physiological contour for the proximal surface of the restorationQuestion 13 of 20 14. The shank of a dental hand cutting instrument joints the blade to theHandSecondary cutting edgePrimary cutting edgeHandleQuestion 14 of 20 15. Which cavities can involve only posterior teethclass Iclass IIclass VIclass VQuestion 15 of 20 16. Which of the following is not a sign or symptom of a split tooth?Split not visible on radiographsSensitivity to thermal changeOccasional mild to moderate painLoss of sensitivity to pressureQuestion 16 of 20 17. Retention of an inlay is influenced primarily by:Flat, pulpal and gingival wailPresence of contra bevelsPreparation of slots and covesNear parallel axial wallsQuestion 17 of 20 18. Retentive locks in the proximal box for a Class II amalgam preparation should be:Square shaped, elongated, placed at DEJRound, elongated, placed in the dentinSquare shaped, placed in dentinSharp, elongated, placed within the dentinQuestion 18 of 20 19. Pre carve burnishing useful for all except:Removes excess mercuryInitiates carvingBetter condensation of amalgam at margins of restorationIncreases setting timeQuestion 19 of 20 20. Painful pulpitis associated with an inflamed or degenerating pulpis most likely due to nociceptive C-fibcr activity.is caused by a decrease in intrapulpal pressure.results from a reduction of nerve cell permeability.is associated with stimulation of A fibers.Question 20 of 20 Loading...
