1. Increased ANB angle signifies: Retrognathic maxilla Prognathic mandible Retrognathic mandible. Bimaxillary protrusion 2. For bite opening in orthodontics, which of the following is done: Retraction of anterior teeth Intrusion of anterior and extrusion of posterior teeth Extrusion of anterior and intrusion of posterior teeth Mesialization of posterior teeth 3. Continuous heavy orthodontic forces cause: Resorption of alveolar bone only Rapid tooth movement Resorption of cementum only Hyalinization of PDL 4. Which of the following soft tissues of the oro facial region mature first: Posterior 1/3rd of tongue Tip of tongue Lips All soft tissues mature simultaneously 5. Plane of reference used in transverse direction in WITS analysis: Frankfurt horizontal plane Functional occlusal plane Palatal plane Sella-nasion plane 6. Seventh key of normal occlusion: Molar relation Palatal plane Crown angulation and inclination Bolton ratio 7. Two millimeters of maxillary incisor spacing in a 3 year old is indicative of a normal pattern of development. maxillary Bolton deficiency. tooth size-arch size discrepancy. persistent tongue thrusting. 8. Hyper active mentalis activity is seen in Class II div 2 malocclusion Class III malocclusion Class II div 1 malocclusion Class I malocclusion 9. Dolicocephalic face shows which of the following? Short and narrow arches Narrow and long arches Short and wide arches Narrow and wide arches 10. To produce pure translatory motion in a tooth, what type of force is required Intermittent force Continuous force Interrupted force Moment of force 11. What is the right sequence of orthodontic treatment planning from diagnosis to result: Treatment objectives, treatment planning, Synthesis and diagnosis, plan mechanics, treatment Synthesis and diagnosis, plan mechanics, treatment objectives, treatment planning, treatmen Synthesis and diagnosis, treatment planning, treatment objectives, plan mechanics, treatment Synthesis and diagnosis, treatment objectives, treatment planning, plan mechanics, treatment 12. If the centre of rotation is at the apex of the root, then the orthodontic movement which results is: Controlled tipping Uncontrolled tipping Translation Torquing 13. Cephalometrics is useful for assessing all of the following relationships except: Soft palate to gingiva. Tooth to tooth Bone to bone Tooth to bone 14. Facial profile of a child with a habit of thumb sucking: Concave and short face Convex and long face Concave and long face Convex and short face 15. At age 9, a pt needs his tooth #30 extracted due to caries. What is the proper space maintenance treatment? removable partial denture band and loop on “T” distal shoe on “T” no space maintenance is needed 16. Apertognathia means: Reversed overjet Increased overjet Deep bite Open bite 17. Appearance of ulnar sesamoid bones in hand occurs: At the prepubertal spurt Birth At the end of pubertal spurt At onset of pubertal growth spurt 18. Major site of growth of the mandible: Body Coronoid Condyle Ramus 19. Which of the following muscle fibers are entrapped in case of thick maxillary labial frenum? Orbicularis oris Platysma Nasoalveolar muscles Buccinator 20. Facial plane is measured from nasion to: Menton Gonion Pogonion Basion Loading … Question 1 of 20
