1. Which tooth listed below may have a pulp chamber that is somewhat triangular as opposed to oval?Mandibular central incisorMaxillary lateral incisorMandibular lateral incisorMaxillary central incisorQuestion 1 of 20 2. Color of primary teeth is lighter than permanent teeth because ofDifference in the color of enamelContrast with the adjacent,there is difference in light reflectionDifference in crystalline structure therefor there is difference in refractive index of enamelDentin underlying the enamel is thinQuestion 2 of 20 3. Which premolar is typically the largest?Maxillary 1st premolarMaxillary 2nd premolarMandibular 1st premolarMandibular 2nd premolarQuestion 3 of 20 4. Which antibiotic has the ability to concentrate in gingival fluidTetracyclineMetronidazolePenicillinAmoxycillinQuestion 4 of 20 5. Level of sensitivity to pain is least inbuccal mucosagingivadorsal lingual mucosalabial mucosaQuestion 5 of 20 6. Which of the following groups of fibers are not attached to alveolar boneTransseptalHorizontalObliqueApicalQuestion 6 of 20 7. The oblique ridge on a maxillary molar extends between what two cuspsMB and DBMB and MLMB and DLDB and MLQuestion 7 of 20 8. Which of the following is the smallest primary molar?Maxillary 1stMaxillary 2ndMandibular 1stMandibular 2ndQuestion 8 of 20 9. The physiological rest position of the mandible is established when themuscles of mastication are in tonic equilibriummaxillary and mandibular teeth make the greatest occlusal contactcondyles are in most protruded positioncondyles are in their most retruded positionQuestion 9 of 20 10. According to Brealey and Mckibbon(1973)commonly ankylosed teeth in deciduous dentition aremaxillary incisormaxillary caninemandibular caninemandibular molarQuestion 10 of 20 11. Gene involved in odontoblastic differentiationMap 1p53p21phexQuestion 11 of 20 12. Odland bodies are seen inStratum granulosumStratum spinosumStratum corneumBoth A and BQuestion 12 of 20 13. The center of the sphere in the curve of Monson lies atNasionBregmaGlabellaLambdaQuestion 13 of 20 14. 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 14 of 20 15. The remnant of the primary enamel cuticle after eruption is referred to asNasmyth's membranePelliclePrimary attachment epitheliumAll of the aboveQuestion 15 of 20 16. Which tooth listed below is the most stable and self-cleansing?Mandibular centralMandibular first premolarMaxillary canineMaxillary lateralQuestion 16 of 20 17. After the tooth emerges to the occlusal plane the clinical crown height increases bypassive eruptionactive eruptionpost emergence growth spurtjuvenile occlusal equilibriumQuestion 17 of 20 18. The lingual extension of dental lamina is known asMental laminaMandibular laminaSuccessional laminaMaxillary laminaQuestion 18 of 20 19. Amelogenesis imperfecta is due toENAMMSX-1DSPPPAX9Question 19 of 20 20. Cytokeratin associated with stratified epithelium isK1 and k2K6 and K16K5 and K14K19Question 20 of 20 Loading...