- (A) Improper casting pressure
- (B) Improper heating of the investment
- (C) Improper angulation of sprue
- (D) Improper wetting of the wax pattern by the investment
Medical Mcqs
- (A) Attached impurities on undersurface of casting
- (B) Hot spot
- (C) No rapid cooling
- (D) Inadequate melting temperature
- (A) Silver fluorides
- (B) Silver cyanide
- (C) Silver bromide
- (D) Silver iodide
- (A) Paraffin wax
- (B) Inlay wax
- (C) Microcrystalline wax
- (D) Montan wax
- (A) Type I – Soft
- (B) Type II – Hard
- (C) Type III – Hard
- (D) Type IV – Extra Hard
- (A) 2.3%
- (B) 1.56%
- (C) 1.37%
- (D) 3%
- (A) Back pressure porosity
- (B) Localized shrinkage porosity
- (C) Pin hole porosity
- (D) Micro porosity
- (A) Age hardening heat treatment
- (B) Annealing heat treatment
- (C) Homogenization heat treatment
- (D) Solution heat treatment
- (A) Type III and Type IV gold
- (B) Type V and type VI gold
- (C) Type VII and type VIII gold
- (D) None of the above
- (A) Increased hardness
- (B) Increased ductility
- (C) Better biocompatibility
- (D) Increased density
