Dental Materials BDS Question Paper : kuhs.ac.in

Name of the University : Kerala University of Health Sciences
Degree : BDS
Subject Name : Dental Materials
Year : II
Document Type : Model Question Paper
Website : kuhs.ac.in

Download Model/Sample Question Paper :
September 2013 : https://www.pdfquestion.in/uploads/kuhs.ac.in/3444-1-DENTAL%20MATERIALS.pdf
September 2012 : https://www.pdfquestion.in/uploads/kuhs.ac.in/3444-2-DENTAL%20MATERIALS.pdf
March 2013 : https://www.pdfquestion.in/uploads/kuhs.ac.in/3444-3-DENTAL%20MATERIALS.pdf

KUHS Dental Materials Question Paper

Second Year BDS Degree Supplementary Examinations – September 2013
DENTAL MATERIALS :
Time: 3 hrs
Max marks: 100

Related / Similar Question Paper :
KUHS BDS General Pathology & Microbiology Question Paper

Answer all questions :
Write section A and section B in separate answer books. Do not mix up questions from section A and section B.
Section A – Prosthodontics
Marks: 50
Essay : (14)
1. Define an impression. Discuss the uses, composition and setting reaction of elastomeric impression materials. (2+2+5+5=14)
Short essays : (2×8=16)
2. Classify dental casting investments. Explain in detail about gypsum bonded investment. (3+5=8)
3. Classify base metal alloys. Mention about stainless steel, cobalt chromium nickel and beta titanium alloys. (2+6=8)
Short notes : (5×4=20)
4. Crystalline and non crystalline structures.
5. Irreversible hydrocolloid
6. Maxillofacial prosthetic materials.
7. Fluxes and anti fluxes
8. Stress and strain
Section B – Conservative Dentistry

Marks: 50
Essay : (14)
1. Classify direct filling gold. Discuss the techniques for removal of surface impurities. Add a note on compaction of direct filling gold (4+5+5=14)
Short essays : (2×8=16)
2. Discuss mercury toxicity and mercury hygiene (3+5=8)
3. Define and classify dentine bonding agents (4+4=8)
Short notes : (5×4=20)
4. Tarnish and corrosion
5. Sandwich technique
6. Shape memory and super elasticity
7. Modified zinc oxide eugenol cement
8. Indirect composite inlays

September 2012

Time: 3 hrs
Max marks: 100
Answer all questions :
Write section A and section B in separate answer books. Do not mix up questions from section A and section B.
Section A – Prosthodontics
Marks: 50
Essay ; (14)
1. Classify investments. Explain briefly on gypsum bonded investments with a note on casting machines. (2+8+4=14)
Short essays : (2×8=16)
2. Describe bio-compatability tests in detail.
3. Enumerate the types of abrasives and mention briefly on bonded abrasives.
Short notes : (5×4=20)
4. Color and metamerism.
5. Manipulation of agar-agar.
6. Stress and strain.
7. Cold mould seal
8. Addition silicone impression material.
Section B – Conservative Dentistry
Marks: 50
Essay : (14)
1. Classify dental ceramics. Explain in detail about all ceramic restorations. (4+10=14)
Short essays : (2×8=16)
2. Explain in detail about various methods of trituration of amalgam and setting reaction of amalgam.
3. Classify luting cements. Explain in detail about Glass ionomer luting cement. (2+6=8)
Short notes : (5×4=20)
4. Pit and fissure sealants
5. Inlay wax- composition and classification
6. CAD-CAM
7. Corrosion
8. Dental burs

March 2013

Time: 3 hrs
Max marks: 100
Answer all questions :
Write section A and section B in separate answer books. Do not mix up questions from section A and section B.
Section A – Prosthodontics
Marks: 50
Essay : (14)
1. Composition of heat polymerized resins. Explain the chemical stages of polymerization. Describe in brief the compression molding technique. (4+4+6=14)
Short essays : (2×8=16)
2. Classify waxes. Discuss the properties and uses of inlay wax. (3+3+2=8)
3. Classify gypsum products. Discuss briefly setting time and setting reaction of gypsum products. (3+5=8)
Short notes : (5×4=20)
4. Methods of strengthening ceramics
5. Stress and strain
6. Composition of reversible hydrocolloid
7. Base metal alloy
8. 18-8 stainless steel
Section B – Conservative Dentistry
Marks: 50
Essay : (14)
1. Classify dental cements. Explain in detail glass inomer cements. (5+9=14)
Short essays : (2×8=16)
2. Base metal alloys- Classification, composition, action of ingrediants, advantages and disadvantages. (1+1+3+3=8)
3. Classify direct filling gold and add a note on gold foil restoration. (4+4=8)
Short notes : (5×4=20)
4. Cavity Liners
5. Hybrid Composites
6. Admixed Amalgam Alloys
7. Composition and Properties of Inlay Wax
8. Classification and uses of Zinc Oxide Eugenol Cements

March 2014

Essay : (14)
1. Classify dental waxes. Explain in detail the requirements, properties and manipulation of inlay wax. (4+10=14)
Short essays :
2. Explain in detail the composition, setting reaction and manipulation of heat activated & chemically activated acrylic resins. (4+4=8)
3. Classify gypsum products. Explain in detail about type III gypsum products (4+4=8)
Short notes : (5×4=20)
4. Zinc oxide Eugenol Impression Paste
5. Abrasives and polishing agents
6. Hygroscopic setting expansion
7. Stress and strain
8. Accelerators and retarders for gypsum

Section B – Conservative Dentistry :
Essay : (14)
1. Define and classify dental amalgam. Discuss the composition and role of each ingredient (2+5+7=14)
Short essays :
2. Classify dental cements. Mention briefly on calcium hydroxide (3+5=8)
3. Define and classify dental ceramics. Explain its applications (4+4=8)
Short notes :
4. Micro leakage
5. Acid etching
6. Fluxes
7. Cavity varnish
8. Rake angle

August 2014

Section A – Prosthodontics :
Essay : (14)
1. Classify impression materials. Explain in detail about irreversible hydrocolloid (Alginate). Add a note on recent advances in alginate impression material.
Short essays : (2×8=16)
2. Classify dental casting alloys. Discuss casting defects. (3+5=8)
3. Classify denture base resins. Discuss briefly about the properties and stages of setting of heat activated cerylic resins. (3+5=8)
Short notes :
4. Gypsum bonded investment
5. Soldering and welding
6. Addition silicone impression material
7. Beta titanium
8. Dental stone

Section B – Conservative Dentistry :
Essay :(14)
1. Discuss the composition, ideal requirements, classification and manipulation of dental inlay waxes in detail (3+3+3+5=14).
Short essays :
2. Explain the physical properties of dental amalgam
3. Discuss soldering and welding (4+4=8)
Short notes :
4. Sandwich technique in composites
5. Differentiate cavity liners and bases.
6. Dental bur design.
7. Casting defects.
8. Calcium hydroxide cement and its uses.