I B.D.S Degree Examination - June / July 2011
Time: 3 Hrs. [Max. Marks : 100]
DENTAL MATERIALS (RS & RS2)
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QP Code: 1154
Your answers should be specific to the questions asked.
Draw neat labeled diagrams wherever necessary.
LONG ESSAY 2 X 10 = 20 Marks
- Classify hydrocolloids? Write the composition and manipulation of irreversible hydrocolloids. Add a note on disinfection of irreversible hydrocolloid and its latest advancements
- Classify metal ceramic alloys? What are the ideal requirements of metal ceramic alloys? Mention the different factors which help in bringing an effective bond between the ceramic and metal? Add a note on recent ceramics
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SHORT ESSAY 10 X 5 = 50 Marks
- Newer developments of glass ionomer cement
- Soldering technique
- Porosities in dental casting
- Causes and prevention of wax distortion
- Types of corrosion
- Sensitization and stabilization of stainless steel
- Condensation and polishing of gold foil
- Mercury hygiene and precautions to be taken while handling them
- Porosity and its effects on denture base resins
- Evaluation of toxicity of dental materials
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SHORT ANSWERS 10 X 3 = 30 Marks
- Proportional limit
- Dental stone
- Wet field technique
- Separating media and its uses
- Eames technique
- Reservoir
- Soldering flame
- Pulp capping agents
- Pumice
- Gamma 1 phase
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