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BDS IV (Fourth) Prof. Annual Examination 2015-16 Course Code: BDS403 Paper ID: 0314403 Orthodontics & Dentofacial Orthopaedics Time: 3 Hours Max. Marks: 70 Note: Attempt all questions. Part-A 1. What are orthodontic diagnostic aids? Discuss essential diagnostic aids. (10) 2. Define preventive orthodontics. Discuss the various treatment procedures given under the preventive orthodontics. (10) 3. Write short notes on: a) Vital staining b) Ackerman–Proffit’s classification c) Theories of tooth movement (5x3=15) Part-B 1. Discuss the clinical picture of Angle’s skeletal class III malocclusion and its clinical management. (10) 2. Describe various methods to gain space in orthodontics. Give indications and contraindications of each method. (10) 3 Write short notes on: a) Component of fixed Orthodontic appliances b) Surgical Orthodontics c) Tongue thrust habit. (5x3=15)