Which of the following is present in the powder of the acrylic resin______________?

Related Mcqs:

1. Porosity present in a acrylic denture is usually the result of______________?

   A. A prolonged curing cycle B. Lack of sufficient pressure applied to flask C. Insufficient acrylic resin monomer D. Prolonged bench cooling after curing...

2. 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...

3. 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...

4. The most important disadvantage of acrylic denture base is_______________?

   A. porosity B. Shrinkage C. Tooth breakage D. Water absorption...

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

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

6. Acrylic resins were first introduced as a denture base material in______________?

   A. 1925 B. 1937 C. 1951 D. 1956...

7. During polymerisation of acrylic resin, above what temperature benzoyl peroxide form freeradicals_______________?

   A. 25°C B. 37°C C. 50°C D. 60°C...

8. 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...

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

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

10. Acrylic resins are used for______________?

    A. Anterior restorations B. Temporary bridges C. Denture base D. All of the above...