A. Higher solubility in saliva
B. Lower modulus of elasticity
C. Esthetic excellence
D. Lower thermal co-efficient of expansion
Related Mcqs:
- 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 - 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 - 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 - Denture acrylics contain cross-linking agents mainly to improve their_____________?
A. Internal color
B. Tissue compability
C. Surface hardness
D. Craze resistance - 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 - 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 - 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 - 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 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
