1. A casting may fail to seat on the prepared tooth due to all of the following factors except _____.Proximal contact(s) of casting are too heavy or too tight.Temporary cement still on the prepared tooth after the temporary restoration has been removed.The occlusal of the prepared tooth was under reduced.Undercuts present in prepared tooth.Question 1 of 20 2. When making a diagnosis, the primary goal of your diagnostic tests is to reproduce the chief complaint. You test the suspected tooth for percussion sensitivity and palpation sensitivity. Your positive percussion findings can be interpreted as follows:The tooth is nonvital and should be treated with root canal therapy.There is a root fracture present.There is inflammation in the PDL.There is inflammation in the PDL and the surrounding periodontium.Question 2 of 20 3. In a tooth with apical root fracture which of the following is trueTooth remains vital with little increase in mobilityTooth will necrose and increased mobilityTooth shows increased mobility with tendernessThe tooth should be extracted as soon as possibleQuestion 3 of 20 4. In which of the following cases could a dentist choose not to perform root canal therapy although it is advised?On a asymptomatic tooth with a calcified chamberOn a non-restorable toothOn a periodontally insufiicient toothOn a tooth with a vertical root fractureQuestion 4 of 20 5. Delayed expansion of amalgam restorations is associated with which two factors? 1. Insufficient trituration and condensation 2. High residual mercury 3. The contamination of the amalgam by moisture during trituration and condensation 4. The failure to use a cavity varnish2 & 33 & 41 & 21 & 3Question 5 of 20 6. Digital Fiber Optic Trans-illumination (DIFOTI) is used toDetect proximal cariesDetect calcium concentration in enamelDetect bony densityDetect occlusal cariesQuestion 6 of 20 7. Barbed broach is used for:Enlarging the dentin at the coronal end of canalEnlarging the canalExtirpating the pulpRemoval of broken instrumentsQuestion 7 of 20 8. The reason to invert a rubber dam is _____.To prevent the dam from tearingTo provide a complete seal around the teethTo prevent the underlying gingival from accidental traumaAll of aboveQuestion 8 of 20 9. Once the root canal is obturated, what usually happens to the organism that had previously entered periradicular tissues from the canal?They persist and stimulate formulation of a granuloma.They will have been eliminated by various medicaments that were used in the root canal.They are eliminated by the natural defenses of the body.They reenter and reinfect the sterile canal unless root-end surgery is performed.Question 9 of 20 10. Mid treatment flare up is most common in:RCT of vital teethRCT of non-vital teethPre-treatment antibiotic is not givenTraumatic injuryQuestion 10 of 20 11. A patient complains of pain in tooth on taking hot food, the pain subsides on taking cold. Diagnosis is:Reversible pulpitisInternal ResorptionPartial pulp necrosisTraumatic injuryQuestion 11 of 20 12. A/An____________ base is a base that is typically placed over a calcium hydroxide base that has been placed over a pulp exposure.Secondary baseIndirect basePrimary baseDirect baseQuestion 12 of 20 13. Irreversible pulpitis pain in which of the following sites is most likely to radiate to the ear?Mandibular premolarMandibular molarMaxillary premolarMaxillary molarQuestion 13 of 20 14. A composite restoration is to be done in case of a bleached tooth. Maximum bond strength will be achieved when composite is done after:1 day2 weeks1 week1 hourQuestion 14 of 20 15. A 20-year-old male patient presents to your office with tooth #9 in his hand. It had been avulsed the day before during a camping trip and was stored dry in a plastic bag. Your treatment plan should be:Perform root canal therapy and replant the toothClean the tooth and socket and replant the toothGive your patient all of his options to replace the toothClean the tooth and socket, replant the tooth, and splint it for a weekQuestion 15 of 20 16. Regardless of the nature of the sensory stimulus, all afferent impulses from the pulp result in the sensation ofheat.touch.pain.proprioception.Question 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?Control the hemorrhage with hemostatic agentsIrrigate the canal with sodium ypochlorite then apply calcium hydroxideApply formocresol with cotton pellets at the amputation sitePerform the amputation at a more apical levelQuestion 17 of 20 18. Retention form for a Class II amalgam preparation is ensured byThe gingival seatParallelism of buccal and lingual wallsGrooves placed at the expense of the axiofacial and axiolingual line anglesAll of the aboveQuestion 18 of 20 19. Placing GIC under composite for pulp protection is called:Sandwich techniqueBilayer techniqueDirect pulp cappingBurger techniqueQuestion 19 of 20 20. Porcelain laminate veneers get maximum retention throughComposite resin, acid etchingAcid etching, sialanization composite resinComposite resin, acid etching and restorationAcid etching, sialanization and restorationQuestion 20 of 20 Loading...
