The Knoop Hardness Number of Microfilled composite Restorative material ranges from____________?

Related Mcqs:

1. A restorative material which has a high proportional limit, compared with one with a lower proportional limit would have________________?

   A. Greater ductility B. Greater toughness C. A higher modulus of elasticity D. A higher modulus of elasticity E. More resistance to permanent deformation...

2. 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...

3. What is the most frequently used restorative material ?

   A. Silicate B. Amalgam C. Composite D. Gold...

4. Why GIC is best restorative material in children_____________?

   A. High strength B. Good marginal integrity C. It can bond enamel & dentin D. It has less occlusal wear...

5. 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...

6. Which of the following hardness test is a micro hardness test ?

   A. Brinnel B. Knoop C. Shore-A D. Rockwell...

7. Which one of the following restorative materials is having coefficient of thermal expansion close to that of tooth enamel and dentin ?

   A. Microfilled composite resins B. Pure gold C. Silver amalgam D. Type II Glass ionomer cement...

8. The function of the coupling agent in a restorative resin is to allow______________?

   A. Adhesion of resin particles B. Bonding between filler crystals C. Bonding between filler and resin D. Bonding between tooth and resin...

9. Which of the following is an example of a composite material ?

   A. A filled resin B. Colloidal silica C. Gold alloy D. Wax...

10. Mercury intoxication in dental office mainly results from____________?

    A. Direct contact with the mercury B. Inhalation of mercury vapours C. Ingestion of mercury D. None of the above...