1. Which of the following are the principal muscle fibres that retrude the mandiblesuperfacial massaterposterior belly of digastricposterior fibres of the temporalposterior fibers of the internal pterygoidQuestion 1 of 20 2. The only tooth wider lingually than buccally isMaillary second premolarMaxillary 1st molarMandi 1st molarMaxillary 2nd molarQuestion 2 of 20 3. After the tooth emerges to the occlusal plane the clinical crown height increases bypassive eruptionactive eruptionpost emergence growth spurtjuvenile occlusal equilibriumQuestion 3 of 20 4. All of the following muscles are considered to be extrinsic muscles of the tongue, except:Genioglossus muscleLongitudinal muscleHyoglossus muscleStyloglossus muscleQuestion 4 of 20 5. The 1st permamnent tooth to erupt ismaxillary CImandibular CImandibular 1st molarmaxillary 1st molarQuestion 5 of 20 6. How many planes of movement can the mandible move in?OneTwoThreeFourQuestion 6 of 20 7. The class of low molecular weight calcium binding proteins seen predominantly in developing enamel areEnamelinAmelogeninTuftelinAmeloplakinQuestion 7 of 20 8. Sensation of pain in pulp is mediated byLarge myelinated fibersLarge unmyelinated fibersSmall unmyelinated fibersNone of the aboveQuestion 8 of 20 9. The occlusal outline of a mandibular 1st molar is usually similar to acirclesquarerhomboidpentagonQuestion 9 of 20 10. Shape and size of teeth is determined by which stageInitiationHistodifferentiationMorphodifferentiationAppositionQuestion 10 of 20 11. Diagnodent is based on theSound waveLaserVisible lightNano technologyQuestion 11 of 20 12. When viewed from a buccal or lingual aspect, the crowns of all mandibular and maxillary incisors appear to have a:Triangular outlineTrapezoidal outlineRhomboidal outlineRectangular outlineQuestion 12 of 20 13. In a dried skull holes on the lingual aspects of the deciduous teeth are calledVolkmann canalsCanals of hirshfield and zuckerlandHaversian canalsGubernacular canalsQuestion 13 of 20 14. Th cap stage contains the following transitory structuresEnamel knot,enamel cord and enamel nicheEnamel matrixStratum intermediumCervical loopQuestion 14 of 20 15. Korff's fibers are found inPrimary dentinSecondary dentinSclerotic dentinTransparent dentinQuestion 15 of 20 16. which of the following is an example of a centric holding cuspmesiopalatal cusp of maxillary first molarmesiobuccal cusp of mandibular first molarpalatal cusp of maxillary first molardistolingual cusp of maillary first molarQuestion 16 of 20 17. A distinguishing characteristic of a maxillary first premolar that identifies it as a right or left is theheight of the lingual cuspmesial inclination of the lingual cuspflattenened area beneath the contact on the distal surfacegreater length of the mesial cusp ridge on th elingual cuspQuestion 17 of 20 18. Merkel cells help inNutritive functionSensory functionNeurosensory activitiesOlfactory functionQuestion 18 of 20 19. Keratinosomes(odland body) help inExchange of fluidsNutritionSensory perceptionFormation of intercellular agglutinating materialQuestion 19 of 20 20. A child 19 months old will have how many teeth?FourEightTwelveSixteenQuestion 20 of 20 Loading...