A. 30% cobalt and 60% chrominum
C. 20% gold
D. 1% palladium
A. Nacl
B. Na2 So4
D. K<sub>2</sub> So<sub>4</sub>
A. Chemicals
B. Chick cells
C. Bullock heart
A. Does not require special trays
C. Is easy manipulation
D. Does not adhere to tissues
B. Reactor
C. Accelerator
D. Plasticizer
B. Rubber base impression material
C. Alginate
D. Impression plaster
A. Olive oil
C. Linseed oil
D. All of these
B. Impression of single tooth
C. None of the above
D. Primary impression
A. Melting point, grain growth, Recrystallization
B. Recrystallization recovery, grain growth
C. Grain Growth Recrystallization recovery
B. Incomplete gas elimination
C. Shrinkage of alloy on cooling
D. Investment breakdown
A. Ti 5Al 5V
B. Ti 6Al 6V
D. Ti 5Al 4V
B. Palladium
C. Indium
D. Chromium
A. High viscosity elastomer
B. Medium viscosity elastomer
D. Medium & low viscosity elastomer
B. Solubility
C. Chemical formula
D. Shelf life
B. Nickel
C. Molybdenum
A. Under air pressure in nitrogen atmosphere
B. In specially fabricated aluminium vanadium
C. Using CAD-CAM technique
A. Crystalline structure
B. High fusion temperature
C. Formation of cross linkage with heating
A. Facilitate venting of the mold
C. All of the above
D. Retard the heating of the investment
A. Polysulphide
B. Polyether
C. Agar-agar
A. N 25%
B. 25%
C. 0%
B. Water film contamination
C. Prolonged heating:
D. Too high pressure during casting
A. Impression wax
C. Modelling compound
D. Hydro cal
A. Colloid
B. Gel
C. Sol
A. A and B
C. Impurities in gold
D. Improper venting
B. Addition silicone
D. Polyetner
B. Carbonates
C. Sulfates
D. Water
B. Silicone
C. Zinc oxide eugenol paster
D. Polysulphide
A. Impressions
B. Casts
C. Die
A. Decrease its strength and ability to be hardened
C. Redden the alloy
D. Decrease its tarnish resistance
B. None of the above
C. High viscosity elastomeric impression material
D. Medium viscosity elastomeric impression material
A. Addition silicone> Condensation silicone > Polysulphide > polyether
B. Polysulphide > polyether > Condensation silicone > Addition silicone
C. polyether > Condensation silicone > Polysulphide > Addition silicone
B. No reservoir
C. Investment heated strongly
D. Inadequate air discharge
A. Reducing zone
D. Combustion zone
B. Zinc oxide eugenol
C. Plaster of paris
D. Alginate
A. Give dimensional stability
C. Increase strength
D. None of the above
A. Tempering technique
B. Immersion technique
D. Injecting technique
A. Glycol
B. Glutamic acid
C. alcohol
A. At obtuse angle
B. At right angle
D. It depend upon type of wax pattern
A. All of the above
C. Moisture absorption
D. Phenomenon of conversion of gel into sol
A. 16.5-17.510-6/C
B. 10.5-11.510-6/C
D. 11.5-12.510-6/C
C. Condensation silicone
D. Zinc oxide impression material
A. Invest inlay patterns
C. Box models
D. Temporarily cement inlays:
A. Propanolol
B. Acetate
D. Glycol
A. Scavenger
B. Hardener
C. Whitens the alloy
A. Rockwell tester
C. Barcol indenter
D. Knoop pyramid
A. None of the above
B. Green stick wax
C. Modeling wax
A. Gram
B. Percentage
D. Carats
A. 27C to 33C
B. 55C to 60C
C. 20C to 25C
A. Remove excess impression material
B. Accelerate the setting
C. Hydrate the impression
B. 0.2% Potassium sulfate
C. 4% Potassium sulfate
D. 2% sodium sulfate
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