Dr. MGR University Question Paper
2009 Question Paper
FINAL B.D.S DEGREE EXAMINATION(Modified Regulations – III)
Paper I – ORTHODONTICS AND DENTOFACIAL
ORTHOPAEDICS
Q. P. Code : 544161
Time : Three hours Maximum: 100 Marks
Answer ALL questions.
I. Essays : (2 x 20 = 40)
1. Define and classify malocclusions. Describe in detail about the
advantages, disadvantages and modifications of Angle’s classification.
2. Define and classify functional appliances. Describe in detail about
Frankel’s functional regulator.
II. Write Short notes on : (10 x 6 = 60)
1. Soldering and Welding.
2. Cephalometrics.
3. Extra oral anchorage.
4. Acid etching.
5. Slenderisation.
6. Growth spurts.
7. Interceptive orthodonitics.
8. Removable appliances.
9. Arch expansion.
10. Serial extraction.
*****
Dr. MGR University Question Paper
2009 Question Paper
FINAL B.D.S DEGREE EXAMINATION(Modified Regulations – III)
Paper I – ORTHODONTICS AND DENTOFACIAL
ORTHOPAEDICS
Q. P. Code : 544161
Time : Three hours Maximum: 100 Marks
Answer ALL questions.
I. Essays : (2 x 20 = 40)
1. Define anchorage. Discuss in detail the various types of anchorage
with examples and illustrations.
2. Write in detail the postnatal growth of the craniofacial complex and
mention the clinical importance of the various growth spurts.
II. Write Short notes on : (10 x 6 = 60)
1. Activator.
2. Ackermann and proffit classification.
3. Optimum orthodontic force.
4. Serial extraction.
5. Steiner’s analysis.
6. Direct bonding.
7. Rapid maxillary expansion.
8. Functional shift of the mandible.
9. Skeletal malocclusion.
10. Arch wires.
*****
Dr. MGR University Question Paper
2010 Question Paper
FINAL B.D.S DEGREE EXAMINATION(Modified Regulations – III)
Paper I – ORTHODONTICS AND DENTOFACIAL
ORTHOPAEDICS
Q. P. Code : 544161
Time : Three hours Maximum: 100 Marks
Answer ALL questions.
I. Essays : (2 x 20 = 40)
1. What are the causes for cleft lip and palate? How will you manage the
problems associated with them?
2. Classify orthodontics. What are the procedures under taken in preventive
orthodontics and explain in detail.
II. Write Short notes on : (10 x 6 = 60)
1. Planning extractions.
2. Skeletal malocclusion.
3. Functional examination.
4. Phases of tooth movement.
5. Planning for space maintenance.
6. Treatment and age.
7. Modifications of activator.
8. Arch expansion.
9. Genetic disorders.
10. Arch wires.
******
Dr. MGR University Question Paper
2010 Question Paper
FINAL B.D.S DEGREE EXAMINATION(Modified Regulations – III)
Paper I– ORTHODONTICS AND DENTOFACIAL
ORTHOPAEDICS
Q.P. Code: 544161
Time: Three hours Maximum: 100 Marks
Answer ALL Questions
I. Essays: (2 x 20 = 40)
1. Discuss Tissue changes during orthodontic tooth movement.
2. Enumerate various interceptive orthodontic procedures. Explain in detail the
indication, contraindication and procedures of serial extraction.
II. Write short notes on: (10 x 6 = 60)
1. Ugly duckling stage.
2. ANB angle.
3. Growth spurts.
4. Gnathostatic models.
5. Head gears.
6. Delaire’s face mask.
7. Leeway’s space of Nance.
8. Direct bonding technique.
9. Advantages and disadvantages fixed appliance.
10. Various methods of gaining space.
******
Dr. MGR University Question Paper
2011 Question Paper
FINAL B.D.S DEGREE EXAMINATION(Modified Regulations – III)
Paper I - ORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS
Q.P. Code: 544161
Time : Three hours Maximum : 100 marks
Answer ALL questions.
I. Essays: (2 x 20 = 40)
1. Define Orthodontics and malocclusion. Enumerate the various methods of
classify malocclusion. Write in detail Angle’s classification of malocclusion –
merits, demerits and modifications.
2. What are functional appliances? Classify functional appliances. Discuss
activator – mechanism of action, indications, contraindications and
modifications.
II. Write short notes on : (10 x 6 = 60)
1. Pericision.
2. Classification of cleft lip and palate.
3. Simon’s classification.
4. Prenatal causes of malocclusion.
5. E.H. Angle.
6. Undermining resorption.
7. Tweed’s diagnostic triangle.
8. Reinforced anchorage.
9. Functional space maintainers.
10. Space – Age wires.
******
Dr. MGR University Question Paper
2011 Question Paper
FOURTH B.D.S. DEGREE EXAMINATIONORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS
Q. P. Code : 544161
Time : Three hours Maximum: 100 Marks
Answer ALL questions
I. Essay Questions: (2 x 20 = 40)
1. Define anchorage in Orthodontics. Classify anchorage. Discuss in detail the different
types of anchorage.
2. Enumerate the various methods of classification etiological factors of malocclusion.
Write in detail Graber’s classification of general factors.
II. Write Short notes on : (10 x 6 = 60)
1. Define Orthodontics and it branches.
2. Ackermann – Proffit classification of malocclusion.
3. Functional Matrix theory.
4. Steiner’s Cephalometric analysis.
5. Space regainers.
6. Undermining resorption.
7. Twin block appliance.
8. Management of anterior cross bite
9. Total space analysis
10. Serial extractions.
*******
Dr. MGR University Question Paper
2012 Question Paper
FOURTH(FINAL) BDS DEGREE EXAMINATIONPAPER I ORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS
Q.P. Code: 544161
Time : 3 hours Maximum : 70 marks
(180 Min)
Answer ALL questions in the same order.
Draw Suitable diagrams wherever necessary
I. Elaborate on: (2 x 10 = 20)
1. Define orthodontics. Enumerate the various classifications of malocclusion.
Discuss in detail Angle’s classification
2. Write the various schools of thought of retention Discuss in detail the
theorems of retention.
II. Write notes on: (10 x 5 = 50)
1. Safety valve mechanism
2. Undermining resorption
3. Wolff’s law and stress trajectories
4. Circumferential supracrestal fibrotomy
5. Activator Vs Frankel
6. Wits analysis
7. Meckels cartilage
8. Space Age wires
9. Guided springs
10. Hyrax screw
*******
Dr. MGR University Question Paper
2012 Question Paper
FOURTH YEAR B.D.S. DEGREE EXAMPAPER I – ORTHODONTICS AND
DENTOFACIAL ORTHOPAEDICS
Q .P .Code: 544161
Time: 180 Minutes Maximum: 100 Marks
Answer ALL questions in the same order
I. Elaborate on: Pages Time Marks
(Max.)(Max.)(Max.)
1. Mention about the essential diagnostic aids and write
about the role orthodontic study models to aid in
treatment planning? 19 30 20
2. Define anchorage? Classify anchorage and discuss in
detail about the different types of anchorage. 19 30 20
II. Write notes on:
1. Cephalic index. 3 10 5
2. Methods of gaining space. 3 10 5
3. Role of Adenoids in malocclusion. 3 10 5
4. Ugly ducking stage. 3 10 5
5. Drift Vs Displacement. 3 10 5
6. Mode of action of Activator. 3 10 5
7. Twin Study. 3 10 5
8. Sicher’s theory. 3 10 5
9. Different types of springs and their uses. 3 10 5
10.Definition, indication and contraindications of fixed
appliance. 3 10 5
11.Normal and abnormal function of stomatognathic
system. 3 10 5
12.Nickel titanium wires. 3 10 5
*******
Dr. MGR University Question Paper
2013 Question Paper
FOURTH YEAR B.D.S. DEGREE EXAMPAPER I – ORTHODONTICS AND
DENTOFACIAL ORTHOPAEDICS
Q .P .Code: 544161
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 Paper
2013 Question Paper
FOURTH YEAR B.D.S. DEGREE EXAMPAPER I – ORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS
Q .P .Code: 544161
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 Paper
2014 Question Paper
FOURTH YEAR B.D.S. DEGREE EXAMPAPER I - ORTHODONTICS AND
DENTOFACIAL ORTHOPAEDICS
Q.P Code: 544161
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 Paper
2014 Question Paper
FOURTH YEAR B.D.S. DEGREE EXAMPAPER I - ORTHODONTICS AND
DENTOFACIAL ORTHOPAEDICS
Q.P Code: 544161
Time: 180 Minutes Maximum: 70 marks
I. Elaborate on: (2X10=20)
1. Tabulate the Chronology of eruption in Permanent Dentition, and
add a note on the clinical significance of the various eruption stages.
2. Enumerate the methods of gaining space in Orthodontics, Write in
detail about proximal reduction.
II. Write Notes on: (10X5=50)
1. Malocclusion.
2. Blanch Test.
3. Biological Indicators of Maturity.
4. Anterior Cross Bite.
5. Soldering in Orthodontics.
6. Ugly Duckling Stage.
7. Types of Tooth Movement.
8. Frenectomy.
9. Branches of Orthodontics.
10.Primary Molar Relationship.
*******
Dr. MGR University Question Paper
2015 Question Paper
FOURTH YEAR B.D.S. DEGREE EXAMPAPER I - ORTHODONTICS AND
DENTOFACIAL ORTHOPAEDICS
Q.P Code: 544161
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 Paper
2015 Question Paper
FOURTH YEAR B.D.S. DEGREE EXAMINATIONPAPER I – ORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS
Q.P. Code: 544161
Time : Three Hours Maximum : 70 marks
Answer All Questions
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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