- (A) Polymerization shrinkage is greater if bonded surface area is lesser than unbounded surface area
- (B) Polymerization shrinkage is high if within the enamel margins
- (C) Acid etching and priming will decrease polymerization shrinkage
- (D) Microleakage can occur because of polymerization shrinkage
Medical Mcqs
- (A) Increasing the mechanical strength
- (B) Decreasing the coefficient of thermal expansion
- (C) Reducing the polymerization shrinkage
- (D) All of the above
- (A) Increases vertical dimension
- (B) Causes teeth to be shrunken in investment
- (C) Causes poor quality of colour
- (D) Causes fracture of denture
- (A) 3% to 5%
- (B) 8% to 10%
- (C) 0.2% to 0.5%
- (D) 0.6% to 0.8%
- (A) Increased thermal conductivity
- (B) Decreased wear resistance
- (C) Decreased thermal conductivity
- (D) None of the above
- (A) Young’s modulus
- (B) Plastic strain
- (C) Elastic strain
- (D) Flexural strain
- (A) The former have a lower molecular weight
- (B) The former have higher residual monomer content
- (C) The former are more porous
- (D) The former have greater transverse strength
- (A) Thermal polymerization of acrylic
- (B) Chemical polymerization
- (C) Retarding the polymerization reaction
- (D) To inhibit the action of benzoyl peroxide
- (A) Melts at 100°C
- (B) Softens at 100°C
- (C) Still requires heat for polymerization
- (D) Produces heat during polymerization
- (A) Silica glass
- (B) Organic matrix
- (C) Barium glass and strontium glasses
- (D) Fluoride particles
