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Wednesday, January 13, 2016

Dr. MGR University Question Papers,Paper III - DENTAL MATERIALS,2011 to 2015 Question Papers,SECOND B.D. S.

Dr. MGR University Question Paper

2011 Question Paper

SECOND B.D. S. DEGREE EXAMINATION.
(Regulations for the candidates admitted from 2008-09 onwards)
Paper III - DENTAL MATERIALS
Q.P. Code : 544173
Time : Three hours Maximum : 70 marks
Answer ALL questions.
I. Essays: (2 x 15 = 30)
 1. Dental resins – classify, write their requisites and add a note on stages in
addition polymerization.
 2. Classification of dental cements, add notes on properties of glass inomer
cement and on resin-modified glass ionomer cement.
II. Write short notes on : (6 x 5 = 30)
 1. Compression molding technique.
 2. Brazing.
 3. High copper alloys.
 4. Pit and Fissure sealents.
 5. Non eugenol pastes.
 6. Tests for setting time of gypsum.
III. Short answers questions : (5 x 2 = 10)
 1. Adherend.
 2. Elastic memory.
 3. Delayed expansion.
 4. Conditioner.
 5. Synthetic gypsum.
*****

Dr. MGR University Question Paper

2011 Question Paper

SECOND B.D.S. DEGREE EXAMINATION
DENTAL MATERIALS
Q. P. Code : 544173
Time : Three hours Maximum: 100 Marks
Answer ALL questions
I. Essay Questions: (2 x 20 = 40)
 1. Write in detail about dental ceramics.
 2. Describe the casting procedure of dental alloys and discuss in detail about casting
 failures.
II. Write Short notes on : (10 x 6 = 60)
1. Classify gypsum products and mention their clinical uses.
2. High copper alloys.
3. Write short notes on Inlay wax.
4. Explain the soldering procedure.
5. 18-8 stainless steel.
6. Dental abrasives and its classification. Mention the uses of various abrasives.
7. Sandwich technique.
8. Pit and fissure sealants.
9. Causes of porosity in denture base resin.
 10. Electroformed dies.
*******

Dr. MGR University Question Paper

2012 Question Paper

SECOND B.D.S. DEGREE EXAMINATION
PAPER III
DENTAL MATERIALS
Q .P .Code: 544173
Time: Three hours Maximum: 70 Marks
Answer ALL questions in the same order
Draw Suitable diagrams wherever necessary
I. Elaborate on: (2×10=20)
 1. Describe about various dental alloys, its composition, uses, advantages
and disadvantages.
 2. Discuss in detail about denture base resin its technical consideration and
processing procedures.
II. Write notes on: (10×5=50)
1. Resin modified glass Ionomer cement.
2. Write about various Luting agents.
3. Pulpal Protection agents.
4. Dental Implants.
5. Dentirfices.
6. Tissue conditioners.
7. Methods of strengthening ceramics.
8. Write short notes on polyvinyl siloxane.
9. Enamel and dentin bonding agents.
10.Cleaning of the dental casting.

*******

Dr. MGR University Question Paper

2012 Question Paper

SECOND YEAR B.D.S. DEGREE EXAM
PAPER III – DENTAL MATERIALS
Q .P .Code: 544173
Time: 180 Minutes Maximum: 100 Marks
Answer ALL questions in the same order
I. Elaborate on: Pages Time Marks
 (Max.)(Max.)(Max.)
1. Gypsum bonded investment material. 19 30 20
2. Composition of ceramic and the Methods of
Strengthening Ceramic. 19 30 20
II. Write notes on:
1. Metamerism and Fluorescence. 3 10 5
2. Heat sources in soldering and welding. 3 10 5
3. Base plate wax. 3 10 5
4. Strength of Amalgam. 3 10 5
5. Pulp Capping agent. 3 10 5
6. Gold foil. 3 10 5
7. Hybrid Composite. 3 10 5
8. Tissue Conditioners. 3 10 5
9. 18/8 Stainless Steel alloy. 3 10 5
10.Impression Techniques with Elastomeric Impression
Materials. 3 10 5
11.Dentifrices. 3 10 5
12.Porosity in acrylic resin. 3 10 5

*******

Dr. MGR University Question Paper

2013 Question Paper

SECOND YEAR B.D.S. DEGREE EXAM
PAPER III – DENTAL MATERIALS
Q .P .Code: 544173
Time: 180 Minutes Maximum: 70 Marks
I. Elaborate on: (2x10=20)
1. Failures in Casting.
2. Tarnish and Corrosion.
II. Write notes on: (10x5=50)
1. Hardness.
2. Crazing of Dental Resin.
3. Acid etch technique.
4. Biocompatibility Issues in Dentistry.
5. Divestment.
6. Delayed Expansion.
7. Causes of Remaking Hydrocolloid Impressions.
8. Implant Materials.
9. Bonded Abrasives.
10.Fluid Resin Technique.

*******

Dr. MGR University Question Paper

2013 Question Paper

SECOND YEAR B.D.S. DEGREE EXAM
PAPER III – DENTAL MATERIALS
Q .P .Code: 544173
Time: 180 Minutes         Maximum: 70 Marks
I. Elaborate on:    (2x10=20)
1. The properties that describe the Strength of materials.
2. Dentin bonding agents.
II. Write notes on: (10x5=50)
1. Laminate Impression Technique.
2. Heat Treatment of Gold Alloys.
3. Nitinol.
4. Condensation of Amalgam.
5. Electroformed Dies.
6. Sandwich Technique.
7. Classify Abrasives and Write about any 5 abrasives.
8. Dycal.
9. Desirable properties of Inlay Wax.
10.Resin Cements.
*******

Dr. MGR University Question Paper

2014 Question Paper

 SECOND YEAR B.D.S. DEGREE EXAM
PAPER III – DENTAL MATERIALS
Q.P Code: 544173
Time: 180 Minutes Maximum: 70 marks
I. Elaborate on: (2X10=20)
1. Define and classify non aqueous impression materials. What are the merits
of addition silicones? Mention the consistencies they are commonly
dispensed for routine usage.
2. What are dentin bonding agents? Explain their generations.
II. Write Notes on: (10X5=50)
1. Tests for biocompatibility
2. Chemically setting hydrocolloids
3. CAD - CAM
4. Imbibitions and syneresis
5. Zinc oxide Eugenol impression paste.
6. Curing cycles in denture base resins.
7. Inlay wax-composition and role of each ingredient.
8. Liners and bases
9. Resin modified GIC
10.High copper amalgam
*******

Dr. MGR University Question Paper

2014 Question Paper

SECOND YEAR B.D.S. DEGREE EXAM
PAPER III – DENTAL MATERIALS
Q.P Code: 544173
Time: 180 Minutes Maximum: 70 marks
I. Elaborate on: (2X10=20)
1. Chromium cobalt alloys used in dentistry. Explain composition, uses,
advantages and disadvantages.
2. Composite resins- Classification, Functions, uses and compare small
particle composites and Hybrid composite.
II. Write Notes on: (10X5=50)
1. Soldering
2. Tissue conditioners
3. Cermets
4. Flux and antiflux
5. Ductility and malleability
6. Mechanical bonding
7. Die Materials
8. Micro leakage
9. Cavity liner
10.Toxicity
*******

Dr. MGR University Question Paper 

2015 Question Paper

 SECOND YEAR B.D.S. DEGREE EXAM
PAPER III – DENTAL MATERIALS
Q.P Code: 544173
Time: 180 Minutes Maximum: 70 Marks
I. Elaborate on: (2 x 10 = 20)
1. Classify gypsum products. Elaborate how they differ in physical structure,
manufacture and manipulation for dental use.
2. Write the composition of Glass ionomer cement? Explain its setting
reaction and various clinical applications.
II. Write Notes on: (10 x 5 = 50)
1. Imbibitions and syneresis.
2. Applications for dental ceramics.
3. Frozen slab technique.
4. Strain hardening.
5. Phosphate bonded investments.
6. Hue, value and chroma.
7. Enumerate the steps in dental casting.
8. Brazing.
9. Mercury hazards.
10. Trituration.
******* 

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