1. Which of the following is not TRUE of primary teeth compared to permanent teeth?They are generally whiter.Their crowns are more bulbous.Their CEJs are more constricted.Their root trunks are longer.Question 1 of 20 2. Peg lateral is associated withMorphodifferentiationHistodifferentiationAppositionInitiationQuestion 2 of 20 3. Which of the following does not contain taste budsCircumvallate papillaeFiliform papillaeFungiform papillaeFoliate papillaeQuestion 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. Collagen found in pulpType 1 and 3Type 1 and 2Type 1 and 4Type 1 onlyQuestion 5 of 20 6. Which of the following is a non keratinocyteLanghan's cellRBCLangerhans cellGrey cellQuestion 6 of 20 7. Which two muscles form a sling around the mandibleMasseter and temporalisMedial pterygoid and lateral pterygoidMasseter and medial pterygoidMasseter and lateral pterygoidQuestion 7 of 20 8. At what stage of developmentof a tooth does dentinogenesis imperfecta accurInitiationProliferationHistodifferentiationMorphodifferentiationQuestion 8 of 20 9. The enamel has no capacity of self repair becauseIt has only a small percent of organic contentIts formative cells are lost once it is completely formedIt is essentially a keratin tissue and has no blood vesselsIt has no direct connection with the active cells of the dental pulpQuestion 9 of 20 10. Antrum of highmore' is nother name ofSphenoid sinusFrontal sinusMaxillary sinusEthmoidal sinusQuestion 10 of 20 11. Which of the following is indicative of ageingExpression of dead tractsWidening of predentinIncrease in tubular diameterIncrease in peritubular dentinQuestion 11 of 20 12. Keratinosomes(odland body) help inExchange of fluidsNutritionSensory perceptionFormation of intercellular agglutinating materialQuestion 12 of 20 13. The tooth with occlusal groove pattern that stimulates the letter 'Y' ismandibular first premolarmaxillary 2nd premolarmaxillary 1st premolarmandibular 2nd premolarQuestion 13 of 20 14. The most common curvature of the palatal root of maxillary 1st molar isfaciallingualdistalmesialQuestion 14 of 20 15. The long axis of mandilbular condyle is directedAnteromediallyAnterolaterallyPosteromediallyPosterolaterallyQuestion 15 of 20 16. according to recent research, following is true about of pattern of enamel prism demineraliationboth head and tails are equally resistant to dissolutionhead is more resistant to dissolution than tailtail is more resistant to dissolution than headboth head and tails are equally susceptible to dissolutionQuestion 16 of 20 17. 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 17 of 20 18. The shape of temporalis muscle isFan shapedFunnel shapedPear shapedHeart shapedQuestion 18 of 20 19. The contact area between the maxillary central incisors is located atIncisal thirdJunction of incisal and middle thirdMiddle thirdMiddle of middle thirdQuestion 19 of 20 20. Before eruption the position of permanent mandibular incisor buds relative to primary incisors issuperior and facialsuperior and lingualinferior and facialinferior and lingualQuestion 20 of 20 Loading...