MGR University BDS Fourth Year 544218 PAPER III – ORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS August 2018 Question Paper

544218 PAPER III – ORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS

[LN 669] AUGUST 2018 Sub. Code: 4218

FOURTH YEAR B.D.S. DEGREE EXAM (Common to Final Year Paper I – Modified Regulation III Candidates and
Final Year Paper III – New Modified Regulation Candidates)PAPER III – ORTHODONTICS AND
DENTOFACIAL ORTHOPAEDICS
Q.P Code: 544218
Time: 180 Minutes Maximum: 70 Marks

I. Elaborate on: (2 x 10 = 20)1. Classify essential diagnostic aids. Explain the importance, preparation
and uses of study models.
2. Explain the different methods of gaining space in orthodontic treatment.

II. Write Notes on: (10 x 5 = 50)1. Soldering.
2. Oral screens.
3. Labial bows.
4. Twin block.
5. Mandibular prognathism.
6. Causes of relapse.
7. Tweed’s Cephalometric analysis.
8. Software applications in orthodontics.
9. Growth spurts.
10. Trajectories of forces.
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