1. 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 hydroxidePerform the amputation at a more apical levelApply formocresol with cotton pellets at the amputation siteControl the hemorrhage with hemostatic agentsQuestion 1 of 20 2. The occlusal portion of the wax pattern is usually carvedFirstLastAfter the proximal surfacesAfter the faciolingual surfaceQuestion 2 of 20 3. Chances of root fracture are higher with use of:Fiber postThreaded postCemented postFriction lock postQuestion 3 of 20 4. All of the following statements are true concerning posterior composite restorations EXCEPT one. Which one is the EXCEPTION?Posterior composites are contraindicated for cusp replacements unless a dry operating field is maintainedPosterior composite restorations are frequently indicated in the treatment of occlusal lesions that allow conservative preparationsPosterior composite restorations may be indicated for the restoration of class ii cavities in premolar teeth where the appearance is very important, the cavity margins are in the enamel, and the occlusal contacts are on the enamelPosterior composite restorations are contraindicated in a patient with heavy occlusion (bruxism)Question 4 of 20 5. Which of the following statements about indirect pulp caps is false?Some leathery caries may be left in the preparation.A liner is generally recommended in the excavation.The operator should wait at least 6 to 8 weeks before re-entry (if then).The prognosis of indirect pulp cap treatment is poorer than that of direct pulp caps.Question 5 of 20 6. Fiber reinforced composite can be used for all of the following except:Obturation of deciduous teeth.As a splintAs a space maintainerAs a post in teeth with crown fractured due to traumaQuestion 6 of 20 7. The functionally generated occlusal registration in the indirect gold inlay technique can be termedStatic registration of dynamic occlusionCentric relation of occlusionAnatomic registrationCentric relationQuestion 7 of 20 8. Which of the following may be an adverse systemic reaction to aluminium chloride impregnated gingival retraction cords?Elevated blood pressureNone of the aboveIncreased heart rateIncreased respiratory rateQuestion 8 of 20 9. Silver alloy used for inlay preparation in primary teeth:PeritecticHigh copperSterlingEutecticQuestion 9 of 20 10. Cluster headache differs from migraine in beingUnilateral and involving the eye.Bilateral.Principally a female complaint.Unilateral and involving the teeth.Question 10 of 20 11. Tug-back is achieved and the canal is ready for fillingafter cementation.when the gutta-percha has extended beyond the apex.when the gutta-percha is easily removed from the root canal.when the gutta-percha placed to apical constriction exhibits resistance on removal.Question 11 of 20 12. The best way to carve amalgam back to occlusal cavosurface margin is to _____.Use a discoid-cleoid instrument guided by the adjacent unprepared enamelUse visual magnificationUse a round finishing bur after the amalgam has setMake deep pits and groovesQuestion 12 of 20 13. Irreversible denatured dentine is:Non affected dentinAffected dentinInfected dentinDiscolored dentinQuestion 13 of 20 14. You are instrumenting a canal with a size 30, 25 mm k-type file. What does each of the sizes denote, respectively?The diameter of the tip of the file and the taper of the fileThe taper of the file and the length of the fileThe diameter of the tip of the file and the length of the fileThe length of the file and the diameter of the tip of the fileQuestion 14 of 20 15. Which of the following is the most characteristic radiographic evidence of a vertical root fracture?A visible fracture when transillumination is usedA persistent periodontal defectA radiolucent halo surrounding the root of the fractureA radiopaque lesion at the sight of the fractureQuestion 15 of 20 16. Which type of obturation technique requires heat?Lateral condensationVertical condensationChemically plasticizedMTA obturationQuestion 16 of 20 17. When performing an endodontic re-treat procedure, gutta percha may be plasticized using each of the following except, which one is the exception?EucalyptolXylolChloroformSodium HypochloriteQuestion 17 of 20 18. Which of the following is the most predominant organism in failed Root Canal Treatment casesLactobacilliFusobacteriumE. FaecalisStreptococciQuestion 18 of 20 19. Triple Antibiotic paste is given below CEJ what is the reason:Placing the paste too far coronally may leach the paste from the coronal seal areaFor better sealing of apical tubulesPossibility of tooth discoloration by minocyclineWeakening of tooth structure by ciprofloxacinQuestion 19 of 20 20. A polyp may arise in connection withpulp necrosischronic periapical lesionchronic open pulpitisacute pulpitisQuestion 20 of 20 Loading...
