1. COGS analysis was given by: Burstone and Legan Burstone and Merill Burstone and Levine Burstone and Nanda 2. Reproximation procedure in orthodontics denotes: Retraction of incisors Method of gaining space Space maintenance Method of losing space 3. What is the right sequence of orthodontic treatment planning from diagnosis to result: Synthesis and diagnosis, treatment planning, treatment objectives, plan mechanics, treatment Synthesis and diagnosis, treatment objectives, treatment planning, plan mechanics, treatment Synthesis and diagnosis, plan mechanics, treatment objectives, treatment planning, treatmen Treatment objectives, treatment planning, Synthesis and diagnosis, plan mechanics, treatment 4. To standardize the magnification during recording of a lateral cephalogram for a child, the position of the sensor/film should be Distance between the sensor and source of radiation should be kept at 70 inches Consider head radius as 6 inches and add to 60 inches between ilm and source of radiation Consider head radius as 9 inches and add to 60 inches between film and source of radiation Distance between sensor and source should be 60 inches 5. The predominant type of movement produced by a finger spring on a removable appliance is tipping. translation. torque. rotation. 6. Tanaka Johnson analysis uses width of which teeth to estimate the width of maxillary canine and premolars: Mandibular molars Maxillary molars Maxillary incisors Mandibular incisors 7. Baker’s anchorage is also known as Intramaxillary anchorage Extraoral anchorage Intraoral anchorage Intermaxillary anchorage 8. Space maintainer indicated in case of bilateral loss of deciduous maxillary molars at 8 years of age: Band and loop Band and bar Transpalatal arch Nance palatal button 9. For which of the following malocclusions is serial extraction most appropriate? Angle Class II. All of these Angle Class III. Angle Class I. 10. The best space maintainer to prevent the lingual collapse that often occurs following the early loss of a mandibular primary canine is a lingual arch. distal shoe space maintainer. band and loop space maintainer. Nance expansion arch. 11. A single tooth anterior crossbite found in a 9 year old should have 2 arch orthodontic treatment. self-correct. be treated in the complete permanent dentition. be treated with a removable appliance. 12. If the centre of rotation is at the apex of the root, then the orthodontic movement which results is: Translation Controlled tipping Uncontrolled tipping Torquing 13. In long face individuals, who have excessive lower anterior facial height, the palatal plane is rotated Down posteriorly Down anteriorly No rotation of the palatal plane Up posteriorly 14. The point which can be altered by orthodontic tooth movement: Point A Nasion Gonion ANS 15. The most common cause of malocclusion with a Class I molar relationship is tooth size and jaw size discrepancy. crossbite in the posterior segments. a thumbsucking habit. improper eruption of permanent first molars. 16. Thumb sucking is normal upto what age: 5 yrs 4 yrs 1 yr 2 yrs 17. Alveolar bone is undergoing remodelling throughout life. through the primary dentition. until the complete eruption of permanent teeth. until the end of mixed dentition. 18. Which of the following metals shows the property of twinning Cobalt chromium Stainless steel Nickel titanium alloy All of the above 19. Labiodental sounds are affected in: Class III malocclusion Class I type 2 malocclusion Class IT malocclusion Class I type 1 malocclusion 20. Cobalt-Chromium alloy (elgiloy) is not available in which of the following tempers Black Green Red Blue Loading … Question 1 of 20