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
Related Mcqs:
- 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 - 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 - 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 - 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 - Apart from composites and ceramics, another material that could be copy milled easily and inexpensively is_________________?
A. Molybdenum
B. Germanium
C. Titanium
D. Chromium - Average particle size of powdered gold is________________?
A. 10 um
B. 15 um
C. 30 um
D. 0.1 um - Finer particle size of silica______________?
A. Slower the hygroscopic expansion
B. Greater the hygroscopic expansion
C. Normal setting expansion
D. No setting expansion - The Dane particle is the______________?
A. HBV
B. IgG anti HAV
C. Delta Virus
D. HBC Ag - One virus particle prevents multiplication of 2nd virus. This phenomena is____________?
A. Viral interference
B. Mutation
C. Supervision
D. Permutation - In self-cure acrylic resin, activator is_____________?
A. Toluidine
B. Quaternary ammonium compound
C. Benzoyl peroxide
D. Tertiary amine
