The main advantage of composites over unfilled direct filling resin is their_____________?

Related Mcqs:

1. The advantage of unfilled methyl methacrylate is that______________?

   A. It can be finished smoothly B. It has a low degree of flow C. It’s non-irritation to pulp D. It’s wear resistant is high...

2. A patient who has had a recent amalgam filling in the upper teeth has a gold filling in the lower teeth, the patient complains of pain. The reason for this can be mainly_____________?

   A. Improper amalgam filling B. Pulp exposure C. Galvanism D. None of the above...

3. 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...

4. Denture acrylics contain cross-linking agents mainly to improve their_____________?

   A. Internal color B. Tissue compability C. Surface hardness D. Craze resistance...

5. Pitting of direct filling old restoration usually results from_________________?

   A. Using contaminated gold foil B. Poor finished preparation C. Improper stepping of condenser point D. Using small condenser point...

6. Which of the following is true about direct filling gold______________?

   A. Properly condensed mat gold has no voids B. Whatever may be the type voids are inherent C. Voids can be avoided with manual condensation D. None of the above...

7. Direct filling gold formed by electrolytic precipitation is called by all the terms EXCEPT______________?

   A. Crystalline B. Granular gold C. Mat gold D. Sponge gold...

8. Inorganic phase of the composites aid in_______________?

   A. Increasing the mechanical strength B. Decreasing the coefficient of thermal expansion C. Reducing the polymerization shrinkage D. All of the above...

9. What is the disadvantage of using composites as restorative material ?

   A. Increased thermal conductivity B. Decreased wear resistance C. Decreased thermal conductivity D. None of the above...

10. The particle size in microfilled composites is_____________?

    A. 0.05 to 0.04mm B. 0.5 to 1.0 microns C. 0.01 to 0.1 microns D. 0.3 to 0.4mm...