1. Retention of an inlay is influenced primarily by:Flat, pulpal and gingival wailNear parallel axial wallsPreparation of slots and covesPresence of contra bevelsQuestion 1 of 20 2. The greatest potential hazard of chronic mercury toxicity occurs due toSkin contact with mercuryInhalation of mercury vaporsDuring amalgam restoration in a patient ,Ingestion of amalgam scrap during removal of old restorationQuestion 2 of 20 3. Principal nerve fibres in Pulp are:Myelinated C fibers and unmyelinated A fibersB and C fibersA J3 and M fibers onlyUnmyelinated C fibers and myelinated A fibersQuestion 3 of 20 4. Gutta Percha and sealer form a monoblock known as:Quaternary monoblockPrimary monoblockTertiary monoblockSecondary monoblockQuestion 4 of 20 5. Important factor in determining the efficiency of bur is:Head lengthTaper angleSpiral angleHead diameterQuestion 5 of 20 6. While performing nonsurgical endodontic therapy you detect a ledge. What should you do?Continue working gently with larger files to remove the ledge.Fill as far as you have reamed.Use a smaller instrument and get by the ledge.Use a small, round bur and remove the ledge.Question 6 of 20 7. Which of the following teeth is most likely to have a curved root?Maxillary lateral incisorMaxillary canineMaxillary central incisorMandibular central incisorQuestion 7 of 20 8. With the cone moved to the distal and facing towards the mesial, the mesiobuccal root of the first molarAppears to move lingually.Will be projected mesially on the film.Will not move.Will be projected distally on the film.Question 8 of 20 9. In class II cavity preparation the axial depth of gingival floor should be a minimum of:0.5 mm0.8 mmGingival and pulpal floors should be at same level1.5 mmQuestion 9 of 20 10. Which modality is used to measure the rate of blood flow in pulp:Heat testLaser doppler flowmetryCold testElectric pulp testQuestion 10 of 20 11. Cytokines associated with periapical lesionsTNFIL 8IL 6IL 1Question 11 of 20 12. An adverse pulpal reaction is likely to occur if the following material is placed directly into a deep cavityComposite resinPolycarboxylateCalcium hydroxideAmalgamQuestion 12 of 20 13. Marginal adaptation of composite resin restorations can be most improved byMaintaining pressure till the material setsProper packing of the restorationAcid etchingUsing the correct powder-liquid ratio when mixing the resinQuestion 13 of 20 14. A silver amalgam restoration is to be done in a posterior tooth with a proximal box extension with wide facio-lingual width. Which wedging technique should be used to well adapt the matrix bandWedge wedgeSingle wedgeNo wedgeDouble wedgeQuestion 14 of 20 15. Which type of corrosion is not seen in High Copper Amalgam,Chemical corrosionElectrochemical corrosionCorrosion does not occur at allPenetrating corrosionQuestion 15 of 20 16. In a tooth with gingival recession undergoing RCT, the Gutta Percha cone is sealed at shaping?1 mm above the opening of canal1 mm below roof of pulp chamberAt the level of CEJ1 mm below the level of recessionQuestion 16 of 20 17. The retention-resistance form of a Class II inlay cavity is dependent upon all of the following, exceptOcclusal dovetailFlat gingival and pulpal wallsProximal box formGingival bevelsQuestion 17 of 20 18. A canal is prepared apically to size 40.it is found no files between sizes 20 and 40 can pass beyond working length. What kind of apical prep is thisapical seatopen apexapical stopclosed apexQuestion 18 of 20 19. Gingival bevels can be safely and accurately placed usingAngle formersMargin trimmersSafe sided diamond disksMedium sandpaper disksQuestion 19 of 20 20. All of the following precautions should be taken when making an acrylic resin Temporary restoration for an MOD onlay preparation, exceptUndercuts in the preparation should not be blocked out as these will provide retentionopen margins should be avoidedPolymerization should not go to completion in the mouthOverextended resin should be removedQuestion 20 of 20 Loading...
