Radio opacity to composite resins is rendered by_______________?

Related Mcqs:

1. Which of the following provide opacity to composite ?

   A. TEGDMA B. BIS-GMA C. Ti02 D. None of the above...

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 constituents is common in occlusal sealants, bonding agents, composite resins ?

   A. BIS GMA B. Polymethyl methacrylate C. Benzoin methyl ether D. Silica filter...

4. Composite resins in comparison to acrylic have_______________?

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

5. Which one of the following is used as filler in composite resins ?

   A. Quartz B. Silicates C. Zinc particles D. Aluminium...

6. Which one of the following is used as filler in composite resins ?

   A. Quartz B. Silicates C. Zinc particles D. Aluminium...

7. Bonding of composite resins to tooth structure is by________________?

   A. Covalent bond B. Ionic bond C. Mechanical D. Vanderval forces...

8. The opacity in ceramics is achieved by adding_______________?

   A. Boric oxide B. Copper oxide C. Silica D. Titanium oxide...

9. Opacity around colonies of Clostridium perfringens is due to_________________?

   A. Theta toxin B. Lecithinase C. Desmolase D. Cytokinin...

10. Residual monomer content of chemically activated resins is______________?

    A. 0.2% to 0.5% B. 2% to 5% C. 0.3% to 0.5% D. 2% to 5%...