- (A) Form an opening of molten metal to enter the mold
- (B) Help polish cast restorations
- (C) Eliminate air bubbles on the wax pattern
- (D) Reproduce fine detail
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- (A) Tensile strength
- (B) Proportional limit
- (C) Ductility
- (D) Hardness
- (A) Platinum
- (B) Copper
- (C) Silver
- (D) Gold
- (A) To provide a smooth and glossy surface
- (B) Increase toughness
- (C) Decrease toughness
- (D) Decrease flow at room temperature
- (A) Pinhole porosity
- (B) Gas inclusion porosity
- (C) Micro porosity
- (D) Subsurface porosity
- (A) Utility wax
- (B) Base plate wax
- (C) Beading wax
- (D) Boxing wax
- (A) Animal
- (B) Mineral
- (C) Insect
- (D) Vegetable
- (A) To strength amalgam
- (B) In orthodontic wires
- (C) To construct clasps for partial dentures
- (D) To replace internal gold restorations
- (A) Copper cynide
- (B) Ionic copper
- (C) Acidic copper sulfate
- (D) Silver cyanide
- (A) Primary impression
- (B) Corrective impressions
- (C) Impression of single tooth
- (D) None of the above
