1. Which of the following are the principal muscle fibres that retrude the mandible posterior fibers of the internal pterygoid superfacial massater posterior belly of digastric posterior fibres of the temporal 2. Which group listed below of the principal fibers of the periodontal ligament runs perpendicular from the alveolar bone to the cementum and resists lateral forces? Oblique Alveolar crest Horizontal Apical 3. A child 19 months old will have how many teeth? Twelve Eight Sixteen Four 4. During typical empty mouth swallowing, the mandible is braced in which jaw position listed below to allow for proper stabilization? Protruded contact position (PCP) lntercuspal position (IC) Centric relation (CR) Retruded contact position (RCP) 5. Intermediate plexus is seen in the Cementum Dentin PDL Pulp 6. The remnants of epithelial root sheath found in periodontal ligament are called Rests of malassez Enamel pearls Enamel knots Epithelial diaphragm 7. Epithelial pearls are Remnants of enamel Remnants of hertwigs epithelal root sheath Remnants of diaphragm Remnants of dental lamina 8. Which muscle is a synergist for the lateral pterygoid muscle Medial pterygoid Massater Latera pterygoid Buccinator 9. The red zones of lips have Very small number of sebaceous glands if any Absolutely no sebaceous glands 30%sebaceous glands 75% sebaceous glands 10. At what stage of developmentof a tooth does dentinogenesis imperfecta accur Histodifferentiation Initiation Morphodifferentiation Proliferation 11. Alignment of teeth in a curve from anterior to posterior is called curve of Wilson bonwill’s curve monson’s curve curve of von spee 12. Which of the following groups of fibers are not attached to alveolar bone Transseptal Horizontal Oblique Apical 13. The type of fibrous element in enamel is Collagen fiber Vimentin filament Keratin like fibre Tono filament 14. Which anterior tooth has the greatest faciolingual-to-mesiodistal length ratio when viewed from the occlusal? Maxillary lateral incisor Mandibular lateral incisor Maxillary central incisor Mandibular central incisor 15. Which of the following teeth have proximal contact areas at approximately the same levels cervicoincisally or cervico-occlusally on the mesial and the distal mandibular central incisor mandibular canines maxillary central incisor maxillary canine 16. Principal fibers of periodontal ligament are Collagenous end elastic Collagenous fibers Reticular fibers Elastic fibres 17. The enamel has no capacity of self repair because It has no direct connection with the active cells of the dental pulp It has only a small percent of organic content It is essentially a keratin tissue and has no blood vessels Its formative cells are lost once it is completely formed 18. The crown of a mandibular lateral incisor compared to the crown of a mandibular central incisor in the same mouth is best described as wider mesiodistally narrower mesiodistally more symmetrical having a smoother lingual surface 19. Which two muscles form a sling around the mandible Medial pterygoid and lateral pterygoid Masseter and lateral pterygoid Masseter and medial pterygoid Masseter and temporalis 20. Taste sensation in tongue is due to which membrane bound protein Enamelin Amelogenin Gustin Statherin Loading … Question 1 of 20
