Download RGUHS (Rajiv Gandhi University of Health Sciences ) Master of Dental Surgery (MDS) 2012 November Paper-III 9723 Orthodontics And Dentofacial Orthopaedics Previous Question Paper

9723_2012_2_S282
Rajiv Gandhi University of Health Sciences
M.D.S. Degree Examination ? Nov 2012
[Time: 3 Hours]
[Max. Marks: 75]
ORTHODONTICS & DENTOFACIAL ORTHOPAEDICS
CLINICAL ORTHODONTICS AND MECHANOTHERAPY
PAPER - III
(Revised Scheme - 3)
Q.P. CODE: 9723
Your answers should be specific to the questions asked.
Draw neat labeled diagrams wherever necessary. Answer all questions
LONG ESSAY
2 X 20 = 40 Marks
1.
Describe the use of orthodontics "E" chains and discuss the effects of colour pigment, fluoride
incorporation, pre-stretch, composition and diet on their performance
2.
Describe the various "LOOPS" in arch-wire fabrication citing their specification as regards to
positions, size, diameter etc. and the role played by each of them. Give specific biomechanics
of loops where applicable
SHORT ESSAY
5 X 7 = 35 Marks
3.
Orthodontic force classification
4.
SPEED appliance
5.
Closed coil versus the open coil
6.
Lingual brackets
7.
Biomechanics of Begg uprighting spring
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