The particle size in microfilled composites is_____________?

Related Mcqs:

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

   A. 50 – 60 KHN
   B. 25 – 35 KHN
   C. 15 – 20 KHN
   D. 40 – 48 KHN

2. 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

3. 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

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

   A. Higher solubility in saliva
   B. Lower modulus of elasticity
   C. Esthetic excellence
   D. Lower thermal co-efficient of expansion

5. Apart from composites and ceramics, another material that could be copy milled easily and inexpensively is_________________?

   A. Molybdenum
   B. Germanium
   C. Titanium
   D. Chromium

6. Average particle size of powdered gold is________________?

   A. 10 um
   B. 15 um
   C. 30 um
   D. 0.1 um

7. Finer particle size of silica______________?

   A. Slower the hygroscopic expansion
   B. Greater the hygroscopic expansion
   C. Normal setting expansion
   D. No setting expansion

8. The Dane particle is the______________?

   A. HBV
   B. IgG anti HAV
   C. Delta Virus
   D. HBC Ag

9. One virus particle prevents multiplication of 2nd virus. This phenomena is____________?

   A. Viral interference
   B. Mutation
   C. Supervision
   D. Permutation

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

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