Download KUHS BDS Second Year 2015 February 204002 Dental Materials Question Paper

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Second Year BDS Degree Supplementary Examinations - February 2015

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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.

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QP Code: 204002 Section A – Prosthodontics

Marks: 50

Essay (14)

1. Classify Gypsum products. Write in detail about Setting reaction and Setting expansion in Gypsum products. Add a note on accelerators and retarders of setting reaction.

Short essays (2x8=16)

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1. Classify investment materials. Explain in detail about phosphate bonded investment. (3+5=8)
2. Mention the ideal requirements of impression materials. Explain the composition and manipulation of impression compound. (3+2+3=8)

Short notes (5x4=20)

1. Nitinol
2. Physical stages of polymerization

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3. Flux and anti flux
4. Polishing agents
5. Polyether impression material

QP Code: 205002 Section Conservative Dentistry

Marks: 50

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Essay (14)

1. Classify composite resins based on their particle size and explain in detail its method of application to the tooth structure. (5+9=14)

Short essays (2x8=16)

1. Classify dental ceramics. Explain briefly CAD-CAM in ceramics. (4+4=8)
2. Explain briefly tarnish and corrosion. (4+4=8)

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Short notes (5x4=20)

1. Reinforced glass ionomer cements.
2. Cavity liners.
3. Mercury toxicity and mercury hygiene.
4. Gold foil.

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5. Reinforced Zinc oxide eugenol cement

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