A. Melts at 100°C
B. Softens at 100°C
C. Still requires heat for polymerization
D. Produces heat during polymerization
Related Mcqs:
- Cold cure acrylic expand in water by___________?
A. 1% by volume 0.23% by weight
B. 10% by volume 0.23% by weight
C. 0.1% by volume 0.23% by weight
D. None of the above - To cure a heat cure resin, a proper heating cycle is necessary_____________?
A. To prevent the porosity
B. To prevent warpage
C. To prevent volume expansion
D. All of the above - In self-cure acrylic resin, activator is_____________?
A. Toluidine
B. Quaternary ammonium compound
C. Benzoyl peroxide
D. Tertiary amine - In heat cure denture base acrylic resins the monomer is___________?
1. Methacrylate
2. Ethylmethacrylate
3. Methyl ethyl methacrylate
4. Polymethylmethacrylate - To prevent porosity in self-cure acrylic resin, curing should be carried in______________?
A. Cold water
B. Hot water
C. Under tap water
D. Under vacuum pressure - Quartz tungsten light cure device minimum output of energy should not be less than_____________?
A. 300 mw/sm2
B. 350 mw/cm2
C. 400 mw/cm2
D. 450 mw/cm2 - Light cure system, side effect is____________?
A. Iritis
B. Cataract
C. Conjunctivitis
D. Retinal damage - All of the following statements about the differences between self-polymerizing acrylic resins and heat-cured resins are true EXCEPT______________?
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 - The % of free monomer in a heat – cured acrylic resin is_______________?
A. 3% to 5%
B. 8% to 10%
C. 0.2% to 0.5%
D. 0.6% to 0.8% - Acrylic resins are used for______________?
A. Anterior restorations
B. Temporary bridges
C. Denture base
D. All of the above
