541 Dental Type-IV isthmii is? Acomplete or incomplete isthmus between three or more canals (Correct Answer)BComplete communication between two canalCNo communication between any canalDtwo or three canal openings without visible connections
542 Dental Among the following solvent which of the following is safest and effective gutta percha solvent? ATerpentineBCholoroform (Correct Answer)CMethylchioroformDHalothane
543 Dental Shape of the central groove in Mandibular 2nd premolar is AY shapedBH shapedCU shapedDAll of the above (Correct Answer)
544 Dental Which of the following bone(s) are used for the determination of growth in an individual? AClavicleBSternumCCervical vertebrae (Correct Answer)DMandible
545 Dental In reversible hydrocolloid the property by which the transformation from sol to gel and gel to sol occurs, is a function of the: AConcentration of fillers and plasticizerBPercentage composition by weight of waterCConcentration of potassium sulphateDTemperature (Correct Answer)
546 Dental Diagnosis of mouth breathing can be done by all of the following except: ACephalometricBMouth mirror testCRhinomanometryDKinesiography (Correct Answer)
547 Dental All ceramic crown is placed on mandibular canine, what can we do to prolong the life of crown: AGlazingBPolishing.COut of occlusion (Infraocclusion).DGroup function. (Correct Answer)
548 Dental Ability of a bur blade to describe a complete circle during rotation is called as: AConcentricity.BStaticity.CRun out. (Correct Answer)DSymmetry
549 Dental Which types of wooden wedges are commonly available ATriangular (Correct Answer)BRectangularCRoundDAll are common