- (A) To strength amalgam
- (B) In orthodontic wires
- (C) To construct clasps for partial dentures
- (D) To replace internal gold restorations
Medical Mcqs
- (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
- (A) 700°C
- (B) 1,300°C
- (C) 1,063°C
- (D) 900°C
- (A) Shrinkage of alloy on cooling
- (B) Investment breakdown
- (C) Incomplete wax elimination
- (D) Incomplete gas elimination
- (A) More porous investment in the mould
- (B) Narrow sprue diameter
- (C) Hollow sprue pin
- (D) Large reservoir
- (A) Iowa wax
- (B) Modeling wax
- (C) Green stick wax
- (D) None of the above
- (A) Improve bonding
- (B) Harden the metal ceramic Ag-Pd alloy
- (C) Both A and B
- (D) None of the above
- (A) High gold
- (B) Low gold
- (C) Palladium – Ag
- (D) Ni – Cr
- (A) Impurities in gold
- (B) Improper venting
- (C) A and B
- (D) None of the above

