1. The most important objective of occlusal adjustment of a natural dentition is toimprove oral hygiene by preventing food impaction.achieve a more favorable direction and distribution of forces of occlusion.prevent temporomandibular joint syndrome.increase the shearing action in mastication.Question 1 of 20 2. Which of the following is used as an etchant in bonding of porcelain to toothHydrofluoric acidSulphuric acidNitric acidHydrochloric acidQuestion 2 of 20 3. Which of the following will increase the flexibility of a removable partial denture clasp arm?Decreasing the taper.Increasing the diameter.Increasing the length.Decreasing the retentive undercut.Question 3 of 20 4. Minimum number of implants required in mandible for the construction of the denture is82 to 446Question 4 of 20 5. Food lodgement beneath the prosthesis is due to:Increased flange lengthDeflective occlusal contactDecreased flange lengthIncrease in vertical dimensionQuestion 5 of 20 6. All of the following statements concerning pontics are true EXCEPT one. Which one is the EXCEPTION?with regard to the ease of cleaning and good tissue health; proper pontic design is more important than the choice of material used in fabricating the ponticthe contour and nature of the pontic contact with the ridge is very importantthe portion of the pontic approximating the ridge should be as concave as possiblethe area of contact between the pontic and the ridge should be smallQuestion 6 of 20 7. Which of the following best describes the term "quenching"?a metal is rapidly cooled from an elevated temperature to room temperature or belowsoftening a metal by controlled heating and coolingNone of the abovea metal is elevated to a temperature above room temperature and held there for a length of timeQuestion 7 of 20 8. The pontic which is both aesthetic & hygienic isPerelSpheroidalOvateSanitaryQuestion 8 of 20 9. Rests on terminal abutment teeth for a cast metal removable partial denture providesindirect retention.lateral force transmission.vertical stability.primary retention.Question 9 of 20 10. A plaster index is used toMaintain the vertical dimension of occlusionAll of the aboveMaintain bite registrationPreserve the face bow transferQuestion 10 of 20 11. In D4 bone implant all correct, except?Countersink drill usedLonger healing timeOsteotomy diameter is similar to diameter of implantMicro hand piece useQuestion 11 of 20 12. The proper position of the implant during immediate placement in the upper anterior socket isin the mid of the socket and parallel to palatal and labial wallspalatelly placed but parallel to the labial wallparallel and engaging the palatal wallpalatally placed but labially angulatedQuestion 12 of 20 13. replacement of an absent body part by an artificial device is calledprosthesismyofunctional applianceartificial velumobturatorQuestion 13 of 20 14. Totally tooth supported prosthesis isclass-I partial dentureclass-III partial dentureclass-IV partial dentureclass-II partial dentureQuestion 14 of 20 15. The process by which one part of the RPD opposes the action of retainer in function is calledSupportRetentionStabilisationReciprocationQuestion 15 of 20 16. The use of a retraction cord impregnated with 8% racemic epinephrine may be hazardous for some patients because of itslocal astringent action.local caustic action on the gingival tissue.none of the abovepotential for systemic reaction.Question 16 of 20 17. Masseteric notch is formed by:Masseter over buccinatorsOrbicularis over masseterBuccinators onlyBuccinators over masseterQuestion 17 of 20 18. Pivoting movement better resisted by a tooth preparation if:Diameter is large and length is smallDiameter is largeDiameter is.smallerDo not depend on diameter of toothQuestion 18 of 20 19. If space between gingival margins of lower anteriors and floor of mouth is less than 8mm, what type of major connector is indicatedLingual barLinguoplateLabial barSublingual barQuestion 19 of 20 20. Kennedy bar connector is a type ofDouble lingual barLingual barLabial barLingual plateQuestion 20 of 20 Loading...
