1. All of the following types of oral mucosa are nonkeratinized, except:Buccal mucosaInferior surface of the tongueThe soft palateThe hard palateQuestion 1 of 20 2. Gene involved in odontoblastic differentiationMap 1p53p21phexQuestion 2 of 20 3. 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 3 of 20 4. In teeth embrassures areWider lingually than faciallyWider facialy than linguallySame facially and linguallynone of the aboveQuestion 4 of 20 5. On which primary tooth can one find an oblique ridge and, occasionally, a fifth cusp of Carabelli?Mandibular 1st molarMandibular 2nd molarMaxillary 1st molarMaxillary 2nd molarQuestion 5 of 20 6. Fovea palatini representdepressions along course of greater palatine nerveorifice of minor palatine salivary glandscrypts in palatine tonsilstensor palatini insertionQuestion 6 of 20 7. The remnants of epithelial root sheath found in periodontal ligament are calledEnamel pearlsEnamel knotsRests of malassezEpithelial diaphragmQuestion 7 of 20 8. At what age the calcification of deciduous teeth startsSecond month of fetal lifeFourth month of fetal lifeSixth month of fetal lifeSeventh month of fetal lifeQuestion 8 of 20 9. Delicate epithelial layer present on newly erupted tooth islamina propriaPrimary enamel cuticleSecondary enamel cuticleSalivary pellicleQuestion 9 of 20 10. In a dried skull holes on the lingual aspects of the deciduous teeth are calledVolkmann canalsCanals of hirshfield and zuckerlandHaversian canalsGubernacular canalsQuestion 10 of 20 11. Which of the following teeth is most likely to be congenitally missingmaxillary central incisormandibular caninemandibular second premolarmaxillary 1st premolarQuestion 11 of 20 12. The widest incisal or occlusal embrassures is normally found between which of the following permanent maxillary teethcentral incisorscentral and lateral incisorslateral incisors and caninefirst and 2nd PMQuestion 12 of 20 13. The type of bone present in the labial area of anterior teeth isCorticalCancellousOsteophyticExophyticQuestion 13 of 20 14. How many planes of movement can the mandible move in?OneTwoThreeFourQuestion 14 of 20 15. Which primary molar has a crown somewhat resembling a permanent premolar but the root form is typical of a permanent molarmaxillary 1stmaxillary 2ndmandibular 2ndmandibular 1stQuestion 15 of 20 16. The type of fibrous element in enamel isTono filamentKeratin like fibreCollagen fiberVimentin filamentQuestion 16 of 20 17. An individual who never formed 3rd molars has which of the followingAnodontiaHypodontiaOligodontiaHyperdontiaQuestion 17 of 20 18. The crown of a mandibular lateral incisor compared to the crown of a mandibular central incisor in the same mouth is best described aswider mesiodistallynarrower mesiodistallymore symmetricalhaving a smoother lingual surfaceQuestion 18 of 20 19. mandibular condyle grows by which mechanismendosteal bone formationappositional growthendochondral bone formationsubperiosteal surface additionQuestion 19 of 20 20. neonatal line is an accentuation ofstriae of RetziusHunter schreger bandsPerikymataprominent DE junnctionQuestion 20 of 20 Loading...