1. When in proper position relative to the plane of occlusion the crown of a mandibular second molar inclinesdistally and faciallymesially and faciallymesially and linguallydistally and linguallyQuestion 1 of 20 2. The mesial proximal contact is more cervical than the distal in which of the following?Primary maxillary caninePrimary mandibular caninePermanent maxillary 1st premolarPermanent mandibular 2nd premolarQuestion 2 of 20 3. In which of the following areas is the alveolar process the thinnestLingual to maxillary CIBuccal to mandibular CILingual to the maxillary canineLingual to the mandibular first molarsQuestion 3 of 20 4. After the tooth emerges to the occlusal plane the clinical crown height increases bypassive eruptionactive eruptionpost emergence growth spurtjuvenile occlusal equilibriumQuestion 4 of 20 5. Dental islands are frequently found in the root canals of which of the following permanent teethmaxillary lateral incisor and mandibular 2nd premolarmaxillary 2nd premolar and maxillary 1st molarmaxillary 2nd premolar and mandibular caninemaxillary 1st molar and mandibular 2nd premolarQuestion 5 of 20 6. After tooth eruption the reduced enamel epitheliumCauses shrinkage of the stratum reticulumPromotes the differentiation of dentinForms the epithelial attachmentForms the secondary enamel cuticleQuestion 6 of 20 7. In cross sections of human enamel many rods resembleTriangleFish scalesSkin scalesCow hornQuestion 7 of 20 8. Taste sensation in tongue is due to which membrane bound proteinGustinEnamelinStatherinAmelogeninQuestion 8 of 20 9. keratohyaline granules are present inStratum granulosumStratum spinosumPrickle cell layerStratum basaleQuestion 9 of 20 10. Which muscle is a synergist for the lateral pterygoid muscleMassaterBuccinatorLatera pterygoidMedial pterygoidQuestion 10 of 20 11. Which structure listed below is the inner layer of cells of the junctional epithelium and attaches the gingiva to the tooth?Mucogingival junctionFree gingival grooveEpithelial attachmentGingival pocketQuestion 11 of 20 12. Which of the following is a microdont?Geminated incisorCusp of CarabelliPeg-shaped lateralDens evaginatusQuestion 12 of 20 13. The highest and sharpest cusp on a mandibular primary 1st molar ismesiobuccaldistobuccalmesiolingualdistolingualQuestion 13 of 20 14. Of the four layers the cells most active in protein synthesis are ofStratum corneumStratum granulosumStratum spinosumStatum basaleQuestion 14 of 20 15. Direction of the enamel rods in the deciduous and permanent teeth isSame throughoutDifferent at cervical thirdDifferent at occlusal and ncisal thirdNone of the aboveQuestion 15 of 20 16. The class of low molecular weight calcium binding proteins seen predominantly in developing enamel areEnamelinAmelogeninTuftelinAmeloplakinQuestion 16 of 20 17. Histologically the dental pulp most closely resembles what type of tissueNerve tissueVascular tissueGranulation tissueloose connective tissueQuestion 17 of 20 18. 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 18 of 20 19. Which of the following is typically the last primary tooth to exfoliateMaxillary canineMandibular canineMaxillary 2nd molarMandibular 2nd molarQuestion 19 of 20 20. Antrum of highmore' is nother name ofSphenoid sinusFrontal sinusMaxillary sinusEthmoidal sinusQuestion 20 of 20 Loading...