1. Which of the following Class II Division 1 malocclusion(s) is/are most likely to be corrected with a cervical headgear? Prognathic maxilla, decreased lower face height, increased over bite. Increased lower anterior face height, prognathic mandible, retrognathic maxilla. Retrognathic mandible, retrognathic maxilla, open bite. Open bite, prognathic maxilla, prognathic mandible. 2. In long face individuals, who have excessive lower anterior facial height, the palatal plane is rotated Down anteriorly Up posteriorly No rotation of the palatal plane Down posteriorly 3. Exclusive of third molars, the permanent dentition is usually completely erupted by the age of 12 to 14 years. 18 to 21 years. 15 to 17 years. 9 to 11 years. 4. During intrusion, the center of rotation lies: At infinity Inside the tooth at 1/3rd distance from apex Outside the tooth At CEJ 5. Eruption path of posterior maxillary permanent teeth is directed: Downward and labial Downward and buccal Downward and mesial Downward and distal 6. A tooth undergoing orthodontic tooth movement, the tension side will show: Fuzziness of lamina dura Narrowed PDL space Overall narrowing of PDL space on both sides Widened PDL space 7. Reproximation procedure in orthodontics denotes: Retraction of incisors Method of losing space Method of gaining space Space maintenance 8. Which of the following soft tissue response may occur as a response to orthodontic bands: Marginal gingivitis Fulminating periodontitis Ulcerative gingivitis Gingival fibrosis 9. A single tooth anterior crossbite found in a 9 year old should be treated with a removable appliance. have 2 arch orthodontic treatment. self-correct. be treated in the complete permanent dentition. 10. The highest critical surface tension is for which of the orthodontic brackets Stainless steel Ceramic alumina Titanium Polycarbonate 11. For which of the following malocclusions is serial extraction most appropriate? Angle Class III. Angle Class II. All of these Angle Class I. 12. Which of the following is an antero-posterior curve? Bonwill curve Curve of monsoon Curve of spee Curve of Wilson 13. A clinical diagnostic indication of palatal impaction of maxillary permanent canines does NOT include midline central diastema. delayed exfoliation of primary canines. proclined and laterally flared permanent lateral incisors. lack of canine buccal bulges in a 10 year old patient. 14. Which of these is most promising soft tissue investigation: Tc scan Barium Meal Poor man cephalometry Stereophotogrammetry 15. Teeth with root fracture cannot be moved orthodontically for: 3 months 6 months 1 month 1 year 16. Cobalt-Chromium alloy (elgiloy) is not available in which of the following tempers Black Green Red Blue 17. Appropriate forces for orthodontic tooth movement are intermittent and light. intermittent and heavy. continuous and light. continuous and heavy. 18. The cranial vault is made up of a number of flat bones that are formed by _________________ , ________ cartilaginous precursors. Both endochondral and intramembranous bone formation; with Intramembranous bone formation; without Both endochondral and intramembranous bone formation; without Endochondral bone formation; with 19. Which of the following bone is used for estimation of growth in an individual: Clavicle Cervical vertebra Capitate Frontal bone 20. In Downs analysis, an increase in Y axis is suggestive of: Average growth pattern Skeletal dysplasia Horizontal growth pattern Vertical growth pattern Loading … Question 1 of 20
