1. Which of the following groups of fibers are not attached to alveolar bone Transseptal Apical Horizontal Oblique 2. Color of primary teeth is lighter than permanent teeth because of Difference in crystalline structure therefor there is difference in refractive index of enamel Difference in the color of enamel Dentin underlying the enamel is thin Contrast with the adjacent,there is difference in light reflection 3. Type of collagen found in principal fibers is type I Type III Type IV Type II 4. Which of the following cusps on a mandibular 1st molar has the largest pulp horn? Mesiobuccal Distolingual Distobuccal Mesiolingual 5. Following root canal therapy, gutta percha extending beyond the apex of which tooth is most likely to impinge on the mental foramen? Mandibular canine Mandibular 2nd premolar Mandibular 1st molar Mandibular 1st premolar 6. Merkel cells are found in which of the following tissue Papillary layer of dermis Reticular layer of dermis Epidermis Hypodermis 7. Fovea palatini represent depressions along course of greater palatine nerve crypts in palatine tonsils tensor palatini insertion orifice of minor palatine salivary glands 8. Which ligament helps retain the condyle within the glenoid fossa? Temporomandibular ligament Sphenomandibular ligament Stylomandibular ligament Pterygomandibular ligament 9. Supporting cells of taste buds are called as Acini Von ebner cells Taste cells Sustenticular cells 10. Epithelial pearls are Remnants of hertwigs epithelal root sheath Remnants of dental lamina Remnants of diaphragm Remnants of enamel 11. The bell stage of tooth development refers to Dental lamina Histodifferentiation and morphodifferentiation Apposition of dental tissues Proliferation 12. Formation of repairative dentin with inclusion of odontoblasts Predentin Regular dentin Sclerotic dentin Osteodentin 13. enamel spindle is surface projection of Striae of Retzius Odontoblastic processes that cross the DEJ into the enamel thin leaf like faults between enamel rods extending from enamel surface to DEJ hypomineralised structures of enamel rods projecting between adjacent groups of enamel rods from DEJ 14. At what age the calcification of deciduous teeth starts Second month of fetal life Seventh month of fetal life Fourth month of fetal life Sixth month of fetal life 15. In cross sections of human enamel many rods resemble Triangle Cow horn Skin scales Fish scales 16. Bilateral contraction of the posterior fibers of the temporalis muscles results in which mandibular movement listed below? Closing Retrusion Protrusion Opening 17. The crown of a mandibular lateral incisor compared to the crown of a mandibular central incisor in the same mouth is best described as more symmetrical narrower mesiodistally wider mesiodistally having a smoother lingual surface 18. The bennett movement is Medial movement Retrusive movement Protrusive movement Lateral movement 19. All of the following teeth typically have one root canal EXCEPT all of the above maxillary lateral incisor. maxillary canine. maxillary central incisor. 20. All of the following teeth are nonsuccedaneous, except: The permanent maxillary and mandibular second molars The permanent maxillary and mandibular first molars The permanent maxillary and mandibular third molars The permanent maxillary and mandibular premolars Loading … Question 1 of 20
