A. Crystalline
B. Granular gold
C. Mat gold
D. Sponge gold
Related Mcqs:
- 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 - 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 - 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 - In type II gold alloys _______ Karat gold is used?
A. 24 K
B. 22 K
C. 18 K
D. 10 K - HMG-CoA is formed during metabolism of all except______________?
A. Cholesterol
B. Leucine
C. Ketone bodies
D. Bile acids - The highest mercury concentration in amalgam filling is found_____________?
A. At the margin of the restoration
B. In the centre of the restoration
C. In the deepest part of the restoration
D. None of the above - Increase in the residual mercury in silver amalgam filling can_____________?
A. Cause fracture of the filling
B. Tarnish and corrosion
C. Increase the strength
D. Decrease condensation pressure - According of ADA specification No or number 1, the minimum compressive strength for silver amalgam filling aftr one hour should be________________?
A. 80 Mpa
B. 140 Mpa
C. 260 Mpa
D. 510 Mpa - Silver plated dyes use an electrolytic bath of_______________?
A. Silver fluorides
B. Silver cyanide
C. Silver bromide
D. Silver iodide
