1. Matrix vesicles are derived from Osteoblast Collagen Elastin fibres Inflammatory cells 2. Midline foramina of incisive canal is called Foramen rotundum Foramen of scarpa Foramen of stenson Foramen of Larschak 3. In dentinal caries which of the following zone on histopathology shows no bacteria Zone of bacterial invasion Zone of decalcification Zone of decomposed dentin Dentinal sclerosis 4. When calcospherites fail to fuse during dentin matrix formation the result is formation of None of the above Irregular dentin Dead tracts Interglobular dentin 5. Which of the following premolar is usually the smallest maxillary 1st mandibular 2nd mandibular 1st maxillary 2nd 6. The shape of temporalis muscle is Funnel shaped Heart shaped Pear shaped Fan shaped 7. Matrix vesicles Are found in mantle dentin Inhibit mineralisation Contain collagen produce alkaline phosphatase 8. Transfer of metabolities in pulp is due to Fenestrated capillaries Precapillaries Continuous capillaries Sinusoidal capillaries 9. Sex determination is possible with which of the following protein Dentin sialoprotein Amelogenin osteopontin Tuftelin 10. according to recent research, following is true about of pattern of enamel prism demineraliation tail is more resistant to dissolution than head both head and tails are equally susceptible to dissolution head is more resistant to dissolution than tail both head and tails are equally resistant to dissolution 11. In which part of oral cavity mucous menbrane is the thinnest Floor of mouth Labial mucosa Soft palate Buccal mucosa 12. Which ligament helps retain the condyle within the glenoid fossa? Pterygomandibular ligament Temporomandibular ligament Stylomandibular ligament Sphenomandibular ligament 13. In which of the following mandibular positions would you find the greatest increase in VDO from centric occlusion? Centric relation Maximum protrusion Anterior edge-to-edge position Postural position 14. In which of the following areas is the alveolar process the thinnest Lingual to maxillary CI Lingual to the mandibular first molars Buccal to mandibular CI Lingual to the maxillary canine 15. A primitive tooth form having a single conical crown and a single root is called thecodont heterodont acrodont haplodont 16. The bell stage of tooth development refers to Dental lamina Proliferation Histodifferentiation and morphodifferentiation Apposition of dental tissues 17. premaxilla is formed from fusion of 2 palatal shelves extension of nasopalatine process fusion of lateral nasal processes fusion of medial nasal processes 18. Which primary molar has a crown somewhat resembling a permanent premolar but the root form is typical of a permanent molar mandibular 2nd maxillary 2nd maxillary 1st mandibular 1st 19. Least calcified structure is Enamel lamella and gnarled enamel Enamel lamella and enamel prisms Enamel lamella and incremental lines Enamel lamella and perikymata 20. At what stage of developmentof a tooth does dentinogenesis imperfecta accur Morphodifferentiation Proliferation Initiation Histodifferentiation Loading … Question 1 of 20
