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Wednesday, January 13, 2016

Dr. MGR University Question Papers,PAPER III - ORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS,2013 to 2015 Question Paper,FOURTH YEAR B.D.S.

Dr. MGR University Question Papers

2013 Question Paper

FOURTH YEAR B.D.S. DEGREE EXAM
PAPER III – ORTHODONTICS AND
DENTOFACIAL ORTHOPAEDICS
Q .P .Code: 544181
Time: 180 Minutes Maximum: 70 Marks
I. Elaborate on: (2x10=20)
1. Define Growth and explain Functional matrix theory in detail.
2. What are Removal orthodontic appliances? Explain in detail the various
parts of it and add a note on Adam’s clasp.
II. Write notes on: (10x5=50)
1. Growth spurt.
2. Ackermann-Profitt classification.
3. Space gaining method.
4. 18/8 Stainless steel.
5. Prenatal ethiology of malocclusion.
6. Poorman’s Cephalometry.
7. Crossbite correction.
8. Speech sounds.
9. Flux and Antiflux.
10.Genetics in Orthodontics.

*******

Dr. MGR University Question Papers

2013 Question Paper

FOURTH YEAR B.D.S. DEGREE EXAM
PAPER III – ORTHODONTICS AND DENTOFACIAL
ORTHOPAEDICS
Q .P .Code: 544181
Time: 180 Minutes Maximum: 70 Marks
I. Elaborate on: (2x10=20)
1. Enumerate the various Theories of Growth. Discuss in detail the post natal
growth of Mandible.
2. Classify and enumerate the various Diagnostic Aids in Orthodontics.
Explain in detail about Carey’s Analysis.
II. Write notes on: (10x5=50)
1. Reciprocal Anchorage
2. Oral Screen
3. Overjet, Overbite.
4. Hawley Retainer.
5. Growth spurts
6. Welding in Orthodontics
7. Factors affecting Growth
8. Curve of Spee
9. Tweed Triangle
10.Ideal Occlusion.

*******

Dr. MGR University Question Papers

2014 Question Paper

FOURTH YEAR B.D.S. DEGREE EXAM
PAPER III - ORTHODONTICS AND
DENTOFACIAL ORTHOPAEDICS
Q.P Code: 544181
Time: 180 Minutes Maximum: 70 marks

I. Elaborate on: (2X10=20)
1. Tissue response to orthodontic force application.
2. Define cephalometrics. Describe the cephalostat and write in detail about
Steiner’s analysis.

II. Write Notes on: (10X5=50)
1. Direct ossification
2. Bionator
3. Adams clasp
4. Spacing in deciduous dentition
5. Stress trajectories
6. Merits and demerits of Angel’s classification
7. Bolton’s ratio
8. Headgears
9. Functional examination in orthodontics
10.Fixed retainers
*******

Dr. MGR University Question Papers

2015 Question Paper

FOURTH YEAR B.D.S. DEGREE EXAM
PAPER III - ORTHODONTICS AND
DENTOFACIAL ORTHOPAEDICS
Q.P Code: 544181
Time: 180 Minutes Maximum: 70 Marks

I. Elaborate on: (2 x 10 = 20)
1. Define retention and relapse. What are the causes for relapse and methods
to prevent relapse?
2. Write about the etiology, clinical features, diagnosis and management of
class II division 1 malocclusion in a growing child.

II. Write Notes on: (10 x 5 = 50)
1. Safety valve mechanism.
2. Functional matrix.
3. Resorption patterns following orthodontic force application.
4. Nitinol wires.
5. Incisal liability.
6. Chin cup.
7. Dewel’s technique.
8. Oral screen.
9. Compensating curves.
10. Extra oral examination.
*******

Dr. MGR University Question Papers

2015 Question Paper

FOURTH YEAR B.D.S. DEGREE EXAMINATION
PAPER III – ORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS
Q.P. Code: 544181
Time : Three Hours Maximum : 70 marks
Answer All Questions
Draw suitable Diagrams wherever necessary
I. Elaborate on: (2 x 10 = 20)
 1. What is a “Cephaolstat”?
 Write 4 difference between a lateral view skull radiograph and a cephalogram.
 Write about the need for a cephalometric analysis.
 Write about any 4 cephalometric parameters and their clinical inference.
 2. Define a “Growth Spurt”.
 Write the types of growth spurts and significance of each spurt.
 List the different methods of assessing skeletal growth status and describe any one
 method.
II. Write notes on : (10 x 5 = 50)
 1. Adam’s Clasp.
 2. Classify upper expansion appliances and write the difference between Slow and Rapid
 Maxillary Expansion Appliances. Explain about any one expansion appliance.
 3. Head Gears.
 4. Types of orthodontic tooth movement.
 5. Arch perimeter analysis.
 6. Correction of Anterior Open Bites.
 7. Methods of gaining space.
 8. Reinforced anchorage.
 9. Classification of Cleft palate and Lip.
10. What is Retention? Write briefly theorems involved.
******* 

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