1. There is a difference between girls and boys with respect to the age at which the growth velocity reaches its peak. Boys are six months ahead of girls. Girls are two years ahead of boys Girls are six months ahead of boys. Girls are one year ahead of boys. 2. Dontrix gauze is used to: Measure wire distortion Measure force Measure wire deformation Measure strength of wire 3. Which of the following conditions is most appropriately treated upon diagnosis? A maxillary midline diastema. Posterior cross-bite with midline discrepancies. Improper axial inclination. End-to-end molar relationships. 4. Which is mixed dentition analysis: Bolton’s analysis Tanaka Johnsons analysis Pont’s analysis Rickets analysis 5. Which of the following is an antero-posterior curve? Curve of monsoon Curve of spee Bonwill curve Curve of Wilson 6. Which of the following materials is not used as antiflux? Calcium carbonate in alcohol Rouge Graphite Boric acid 7. Alveolar bone is undergoing remodelling throughout life. through the primary dentition. until the end of mixed dentition. until the complete eruption of permanent teeth. 8. To prevent mesial drift of a permanent first molar, the ideal time to place a distal extension space maintainer is immediately after extraction of the primary second molar. after the permanent second molar has erupted. as soon as the extraction site of the primary second molar has completely healed. as soon as the tooth erupts through the gingival tissue. 9. Which of the following soft tissue response may occur as a response to orthodontic bands: Gingival fibrosis Fulminating periodontitis Ulcerative gingivitis Marginal gingivitis 10. Facial index of 85.6% means: Mesoprosopic face Leptoprosopic face Euryprosopic face Hypereuryprosopic face 11. Progressive malocclusion is: Class III A+C Class II Class I 12. Major site of growth of the mandible: Condyle Coronoid Ramus Body 13. The body of the mandible increases in length to accommodate the permanent second molar by apposition of bone on the alveolar margin and lower border of the body of the mandible. apposition of bone in the condyle. resorption of bone along the anterior border of the ramus and apposition of bone on the posterior border of the ramus. apposition of bone at the symphysis and posterior border of the ramus of the mandible. 14. While treating increased anterior overbite while keeping mandibular plane angle same, increase in molar height is compensated by: Relative extrusion Absolute intrusion Relative intrusion Absolute extrusion 15. According to the NORMS of the orthodontic study models, the total height of maxillary n mandibular model should be close to? 60 mm 55 mm 90 mm 70 mm 16. Apertognathia means: Deep bite Reversed overjet Open bite Increased overjet 17. The Frankfort-horizontal is a reference plane constructed by joining which of the following landmarks? Porion and sella. Nasion and sella. Porion and orbitale. Porion and nasion. 18. Cobalt-Chromium alloy (elgiloy) is not available in which of the following tempers Black Green Red Blue 19. A single tooth anterior crossbite found in a 9 year old should have 2 arch orthodontic treatment. be treated in the complete permanent dentition. self-correct. be treated with a removable appliance. 20. Thumb sucking is normal upto what age: 4 yrs 5 yrs 2 yrs 1 yr Loading … Question 1 of 20