Time: 3 Hrs.
[Max. Marks : 100]
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IV Gandhi University of Health Sciences
IV (Part-I) B.D.S Degree Examination — DEC 2016
ORTHODONTICS (RS)
QP Code: 1163
Your answers should be specific to the questions asked.
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Draw neat labeled diagrams wherever necessary.
LONG ESSAY 2 X 10 = 20 Marks
- Classify orthodontic appliances. Discuss the indications and mode of actions of myo-functional appliances. Describe the design and steps involved in the fabrication of Frankel’s Regulator IIA (FR IIA)
- Enumerate various theorems of Retention. Discuss various methods used to prevent Relapse in orthodontics
SHORT ESSAY 10 X 5 = 50 Marks
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- Discuss the components of Force Systems used in orthodontics
- Meckel’s cartilage
- Advantages and disadvantage of Cephalometrics used in orthodontics
- Ackerman - Proffit classification of malocclusion
- Diagnosis and treatment of mouth breathing habit
- Role of Genetics in orthodontics
- Enumerate various alloys used in orthodontics. Add a note on Nitinol
- Preventive orthodontics
- Define and classify anchorage. Write about inter —.arch anchorage methods
- Role of periodontal ligaments in orthodontic tooth-movement
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SHORT ANSWERS 10 X 3 = 30 Marks
- Scammon’s growth curve
- Etiology and management of midline diastema
- Role of nutrition in orthodontics
- Wolff’s law
- Reverse pull headgear
- Primate space
- SNA angle
- Piezo - electric theory of tooth movement
- Undermining bone resorption
- Curve of spee
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