Cold cure acrylic expand in water by___________?

Related Mcqs:

1. Acrylic (cold cure)______________?

   A. Melts at 100°C B. Softens at 100°C C. Still requires heat for polymerization D. Produces heat during polymerization...

2. 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...

3. In self-cure acrylic resin, activator is_____________?

   A. Toluidine B. Quaternary ammonium compound C. Benzoyl peroxide D. Tertiary amine...

4. In heat cure denture base acrylic resins the monomer is___________?

   1. Methacrylate 2. Ethylmethacrylate 3. Methyl ethyl methacrylate 4. Polymethylmethacrylate...

5. 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...

6. 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...

7. Light cure system, side effect is____________?

   A. Iritis B. Cataract C. Conjunctivitis D. Retinal damage...

8. Composite resins in comparison to acrylic have_______________?

   A. Low compressive strength B. High abrasive resistance C. High water absorption D. High polymerization shrinkage...

9. 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%...

10. Which of the following may result if an excessive amount of monomer is incorporated into an acrylic resin mixture ?

    A. Excessive expansion B. Low impact strength C. Excessive shrinkage D. Excessive brittleness...