1. The mandible functions as which type of lever?Class IClass IIClass IllAll of the aboveQuestion 1 of 20 2. Matrix vesiclesAre found in mantle dentinContain collagenproduce alkaline phosphataseInhibit mineralisationQuestion 2 of 20 3. Organisation centre that orchestrate surface morphogenesis isEnamel knotEnamel spindleEnamel lamellaeGnarled enamelQuestion 3 of 20 4. Sometimes mineralisation of dentin begins in globular area ,these hypomineralised zones are known asInterglobular dentinGranular layerPeritubular dentinIntertubular dentinQuestion 4 of 20 5. Which of the following jaw position is determined almost exclusively by the behavior of the musculaturePosturalIntercuspalRetruded contactProtruded contactQuestion 5 of 20 6. Which antibiotic has the ability to concentrate in gingival fluidTetracyclineMetronidazolePenicillinAmoxycillinQuestion 6 of 20 7. Which extrinsic muscle of the tongue functions to retract the tongueHyoglossusStyloglossusGenioglossusPalatoglossusQuestion 7 of 20 8. An antibacterial substance found in tears ,egg white and saliva isAmylaseLysozymeIsozymeAlbuminQuestion 8 of 20 9. Leeway space is due tospace differential between deciduous canine and molar and their succadaneous permanent teethspace differential between deciduous incisors and their succedaneous permanent teethdifference between deciduous and permanent maxillary caninesnoneQuestion 9 of 20 10. A maxillary right canine may be distinguished from a maxillary left canine because:The root always curves to the distal in the apical one-third.The distal half of the canine shows more convexity than the mesial half.Labially, the cusp tip is placed distal to a line which bisects the crown and root.Lingually, the cervical line slopes mesially.Question 10 of 20 11. Which tooth listed below is the smallest and the narrowest (mesial to distal) of all permanent teeth?Mandibular lateral incisorMaxillary lateral" incisorMandibular central incisorMaxillary central incisorQuestion 11 of 20 12. Which of the following is typically the last primary tooth to exfoliateMaxillary canineMandibular canineMaxillary 2nd molarMandibular 2nd molarQuestion 12 of 20 13. The droplets of enamel found in area of furcation of the roots of permanent molars areEnamel organEnamel cracksEnamel pearlsEnamel spindleQuestion 13 of 20 14. All of the following are characteristics common to all mandibular anterior teeth, except:Indistinct cingula with smooth lingual anatomy without grooves and pitslncisal edges are lingual to the root axis lineThe facial surfaces are marked by pronounced labial ridgesContinuous convexity incisoapically on the facial surfaceQuestion 14 of 20 15. The compensating curve of maxillary arch isConvexConcaveFlat planeNone of the aboveQuestion 15 of 20 16. A divided pulp canal is most likely to occur in theroot of a maxillary canineroot of a mandibular canineroot of a maxillary central incisorlingual root of a maxillary 1st molarQuestion 16 of 20 17. Sensation of pain in pulp is mediated byLarge myelinated fibersLarge unmyelinated fibersSmall unmyelinated fibersNone of the aboveQuestion 17 of 20 18. The long axis of mandilbular condyle is directedAnteromediallyAnterolaterallyPosteromediallyPosterolaterallyQuestion 18 of 20 19. All of the following teeth typically have one root canal EXCEPTmaxillary central incisor.maxillary lateral incisor.maxillary canine.all of the aboveQuestion 19 of 20 20. Which of the following intrinsic muscle fibers flattens and broadens the tongueVerticalHorizontalLongitudinalTransverseQuestion 20 of 20 Loading...