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

Related Mcqs:

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

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

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. The most important disadvantage of acrylic denture base is_______________?

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

4. 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...

5. Composite resins in comparison to acrylic have_______________?

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

6. Acrylic resins are used for______________?

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

7. The preferred material for repair of fractured denture base is______________?

   A. Chemically cure resin B. Heat curve resin C. Light cure resin D. Vinyl resin...

8. 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...

9. Insufficient closure of the flasks during packing of denture base resin can result in_____________?

   A. Poor colour stability B. Less polymerization shrinkage C. Increase in vertical dimension D. Decrease in vertical dimension...

10. The latest method of curing denture base resins______________?

    A. Heat B. Visible light C. Chemicals D. Lasers...