1. Saliva which is formed in salivary gland when passes from salivary acini to duct orifices, it undergoes ion exchanges and as a result, saliva becomes isotonic Hypertonic all of the above hypotonic 2. Cellular cementum is First formed cementum Less irregular More calcified than acellular type Less calcified than acellular cementum 3. Th cap stage contains the following transitory structures Stratum intermedium Enamel knot,enamel cord and enamel niche Enamel matrix Cervical loop 4. The 1st permamnent tooth to erupt is mandibular 1st molar maxillary CI maxillary 1st molar mandibular CI 5. Wandering cells of pulp are Lymphoid wandering cells Histiocytes Fibroblasts Undifferentiated mesenchymal cells 6. In teeth embrassures are none of the above Wider facialy than lingually Wider lingually than facially Same facially and lingually 7. The center of the sphere in the curve of Monson lies at Glabella Lambda Nasion Bregma 8. Intermediate plexus is seen in the Dentin Pulp Cementum PDL 9. A divided pulp canal is most likely to occur in the root of a mandibular canine root of a maxillary canine root of a maxillary central incisor lingual root of a maxillary 1st molar 10. The only tooth wider lingually than buccally is Mandi 1st molar Maxillary 2nd molar Maillary second premolar Maxillary 1st molar 11. The red zones of lips have Absolutely no sebaceous glands Very small number of sebaceous glands if any 75% sebaceous glands 30%sebaceous glands 12. Weils zone is Zone of differentiating cells Zone adjacent to dentinal tubules in pulp Cell rich zone in pulp Cell free zone in pulp 13. The type of bone present in the labial area of anterior teeth is Exophytic Cancellous Osteophytic Cortical 14. Most abundant myelinated fibre present in pulp A alpha A delta C fibre A beta 15. If a maxillary 1st molar has a fourth canal it is located in which of the following roots mesiofacial palatal 4th distofacial 16. All of the following anterior teeth have a cingulum which is located in the center of the lingual surface, except: Mandibular central incisor Maxillary canine Mandibular canine Maxillary lateral incisor 17. Which extrinsic muscle of the tongue functions to retract the tongue Genioglossus Styloglossus Hyoglossus Palatoglossus 18. When calcospherites fail to fuse during dentin matrix formation the result is formation of Interglobular dentin Irregular dentin Dead tracts None of the above 19. After tooth eruption the reduced enamel epithelium Promotes the differentiation of dentin Causes shrinkage of the stratum reticulum Forms the epithelial attachment Forms the secondary enamel cuticle 20. enamel spindle is Odontoblastic processes that cross the DEJ into the enamel hypomineralised structures of enamel rods projecting between adjacent groups of enamel rods from DEJ thin leaf like faults between enamel rods extending from enamel surface to DEJ surface projection of Striae of Retzius Loading … Question 1 of 20
