Maximum amount of incisor retraction achieved is 1) 7 mm 2) 16 mm 3) 9 mm 4) 26 mm
OrthodonticsAnswer: 1
Serial extraction are indicated in patients who have 1) Class II molar relation 2) Excessive overbite 3) Class I molar relation 4) Class III molar relation
OrthodonticsAnswer: 3
Mesial step formation in deciduous dentition is indication of future 1) Class II malocclusion 2) Class III malocclusion 3) Anterior crowding 4) Anterior crosding
OrthodonticsAnswer: 2
Marked lingual eruption of an upper central incisor in otherwise normal occlusion of a 8-year-old boy can be treated by 1) Cross-bite elastics 2) Tongue blade therapy 3) Myofunctional therapy 4) Maxillary Hawley appliance with "Z" springs
OrthodonticsAnswer: 4
Breathing is termed anatomic mouth breathing if there is 1) Short upper lip 2) Enlarged adenoid 3) Enlarged tonsil 4) Both A and B
OrthodonticsAnswer: 1
A 5-year-old patient suffering from ectodermal dysplasia has no primary or permanent teeth. Dentures should be constructed 1) Only after skeletal growth of jaws is completed 2) Immediately and worn regularly as there is no effect on growth of basal bones 3) Immediately but worn only for eating as it may constrict the jaws 4) Dentures are contraindicated
OrthodonticsAnswer: 2
"Torque" in orthodontics refers to 1) The change in mesiodistal inclination of teeth 2) The change in labiolingual inclination of teeth 3) The rotation of teeth 4) None of the above
OrthodonticsAnswer: 2
An anterior bite plane should be trimmed 1) 30 degrees inclined to occlusal plane 2) 60 degrees inclined to occlusal plane 3) To keep posterior teeth 2 mm apart 4) To keep posterior teeth 5 mm apart
