A. 3% to 5%
B. 8% to 10%
C. 0.2% to 0.5%
D. 0.6% to 0.8%
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Related Mcqs:
- 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...
- 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...
- In heat cure denture base acrylic resins the monomer is___________?
- 1. Methacrylate 2. Ethylmethacrylate 3. Methyl ethyl methacrylate 4. Polymethylmethacrylate...
- The accepted polymer to monomer ratio for packing of polymethyl methacrylate resin is____________?
- A. 3:1 B. 4:1 C. 10:1 D. 5:1...
- In self-cure acrylic resin, activator is_____________?
- A. Toluidine B. Quaternary ammonium compound C. Benzoyl peroxide D. Tertiary amine...
- During polymerisation of acrylic resin, above what temperature benzoyl peroxide form freeradicals_______________?
- A. 25°C B. 37°C C. 50°C D. 60°C...
- 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...
- One of the claims for the superiority composite resin restoration over silicate cement restorations is that the resin restorations_____________?
- A. Prevent galvanic action B. Are practically insoluble in oral fluids C. Adapt to the walls of the cavity better D. Have a higher coefficient of thermal expansion...
- Polymerisation of heat-cured methyl methacrylate is initiated by______________?
- A. Tertiary amine B. Benzoyl peroxide free radical C. Hydroquinone D. Methyl ether...
- The most important disadvantage of acrylic denture base is_______________?
- A. porosity B. Shrinkage C. Tooth breakage D. Water absorption...
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