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

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

Time: 3 hrs Max marks: 100

• Answer all questions

• Write section A and section B in separate answer books(32 Pages). Do not mix up questions from section A and section B.

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

Essay (14)

1. Classify impression materials. Explain in detail about irreversible hydrocolloid

(Alginate). Add a note on recent advances in alginate impression material.
(3+8+3=14)
Short essays (2x8=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 (5x4=20)

4. Gypsum bonded investment
5. Soldering and welding
6. Addition silicone impression material
7. Beta titanium
8. Dental stone
Q P Code: 205002 Section B – Conservative Dentistry Marks: 50
Essay (14)
1. Discuss the composition, ideal requirements, classification and manipulation of dental
inlay waxes in detail (3+3+3+5=14).
Short essays (2x8=16)
2. Explain the physical properties of dental amalgam
3. Discuss soldering and welding (4+4=8)
Short notes (5x4=20)
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.
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