1. Which of the following is not a point angle of a MO Class II cavity?DistolinguopulpalAxiolinguopulpalCervicogingivopulpalAxiofaciogingivalQuestion 1 of 20 2. Which of the following would NOT necessarily indicate the need for root canal treatment or extraction of a carious tooth?percussion sensitivityfrank apical radiolucencynegative electric pulp testlingering pain over 15 secondsQuestion 2 of 20 3. A patient walks into your clinic holding a cup with a tooth in it. What liquid would you LEAST hope the patient kept the tooth in?SalivaWaterSalineMilkQuestion 3 of 20 4. In a class I cavity for amalgam, the mesial and distal walls show slight divergence towards the occlusal surface. This is done to:Allow easier condensation of amalgamPrevent undermining of marginal ridgesPrevent placing amalgam margin at area of cuspal contact of opposite toothIncrease bulk of amalgamQuestion 4 of 20 5. A patient is diagnosed with symptomatic apical periodontitis and refuses treatment due to fear of needles. Your statement to the patient should include the fact that:None of the aboveEventually, the acute nature of the lesion will progress into a chronic and nonpainful lesionThe apical lesion has been there or years and the tooth needs treatment immediatelyThis lesion can progress into the bone causing osteomyelitis, a more severe conditionQuestion 5 of 20 6. Regardless of the nature of the sensory stimulus, all afferent impulses from the pulp result in the sensation ofheat.proprioception.pain.touch.Question 6 of 20 7. When placement of proximal retention locks in Class II amalgam preparations is necessary, which of the following is incorrect?One should place locks 0.2 mm inside the DEJ to ensure that the proximal enamel is not undermined.Even if deeper than ideal, one should use the axial wall as a guide for proximal lock placement.One should not undermine the proximal enamel.One should not prepare locks entirely in the axial wall.Question 7 of 20 8. After endodontic therapy, minimum time period after which radiographic evidence of healing will be seen is1 month6 months3 months2 monthsQuestion 8 of 20 9. To avoid external transportation of the root canaluse large instruments.use vigorous instrumentation.avoid the use of sodium hypochlorite.precurve instruments.Question 9 of 20 10. When luting a casting with resin cements, the flash should to removedAfter polymerization of the cement is completedWhen the cement is in rubbery stageImmediately after seating the castingTime of flash removal is not criticalQuestion 10 of 20 11. Which of the following is not suggested as irrigants during root canal therapySodium hypochloriteUrea peroxide (Gly-Oxide)Hydrogen peroxideCalcium hydroxideQuestion 11 of 20 12. A cold test best localizesPeriodontal pain.Referred pain.Pulp necrosis.Pain of pulpal origin.Question 12 of 20 13. A young child gets into the bathroom cabinet and ends up eating a full tube of toothpaste. The Mother calls you first, you will ask all of the following questions EXCEPT one. Which one is the EXCEPTION?How old is the child?Did the child get into any other dental products (i.e., mouthwash)?What kind of toothpaste was it?How much does the child weigh?Question 13 of 20 14. What are the structural components of composite?All of the abovePolymer matrix and coupling agentsA coupling agent and initiatorPolymer matrix and filler particlesQuestion 14 of 20 15. In class II cavity preparation the axial depth of gingival floor should be a minimum of:0.8 mm1.5 mmGingival and pulpal floors should be at same level0.5 mmQuestion 15 of 20 16. When condensing gold foil, stepping of the condenserProduces a denser restoration but increases the time of condensationShould involve overlapping the nib by one-half its diameterShould involve overlapping the nib by one-fourth its radiusProduces a denser restoration and reduces the time of condensationQuestion 16 of 20 17. Which of the following is used for removal of broken instrument from a root canal:Peeso reamerMasserann kitThin tapered diamondsBarbed broachQuestion 17 of 20 18. Sharp pain in tooth is mediated by:C fibresSharpeys fibresA ?A ?Question 18 of 20 19. Ha Primary tooth is avulsed, what should be done:Gently debrided and replaced in the socket with flexible splintingNot replantedTreated with citric acid for 5 minutes before replantationGently debrided and replaced in the socket with rigid splintingQuestion 19 of 20 20. Most obvious clinical sign in concussion is:Tenderness on percussionMobilityChange in colorBleedingQuestion 20 of 20 Loading...
