B.D.S-B.D.S Dental Surgery 2nd Year DENTAL MATERIALS(Kerala University of Health Sciences-2014)

Reg. No.: …………………
Second Year BDS Degree Supplementary Examinations - March 2014
DENTAL MATERIALS

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.

Q P Code: 204002 Section A – Prosthodontics Marks: 50

Essay (14)

1. Classify dental waxes. Explain in detail the requirements, properties and manipulation
of inlay wax. (4+10=14)
Short essays (2x8=16)
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 (5x4=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
Q P Code: 205002 Section B – Conservative Dentistry Marks: 50
Essay (14)
1. Define and classify dental amalgam. Discuss the composition and role of each
ingredient (2+5+7=14)
Short essays (2x8=16)
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 (5x4=20)
4. Micro leakage
5. Acid etching
6. Fluxes
7. Cavity varnish
8. Rake angle
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