Direct Fillng Gold Mcqs
Q.1: The cohesive gold used as bulk filler is_____________?6
A. Electra alloy
B. Mat gold
C. Spherical gold
D. Gold foll
Q.2: Pitting of direct filling old restoration usually results from_________________?P
A. Using contaminated gold foil
B. Poor finished preparation
C. Improper stepping of condenser point$
D. Using small condenser point
Q.3: The malleting force is directed______________?.
A. Perpendicular to the walls
B. Parallel to long axis of crown
C. 45 to the wall
D. None of the above
Q.4: Which of the following is true about direct filling gold______________?G
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
Q.5: Powdered gold is___________________?$
A. Made by a combination of chemical precipitation and atomization?
B. Made by electrolytic precipitation"
C. Made by beating pure gold at high temperatures.
D. Made by milling pure gold ingots
Q.6: When Gold fused with porcelain is fired at very high temperature greenish discoloration of cervical margin is due to________________?
A. High firing temperature
B. Disintegration of opaque layer
C. Presence of copper
D. Formation of excess oxides
Q.7: Direct filling gold formed by electrolytic precipitation is called by all the terms EXCEPT______________?i
A. Crystalline
B. Granular gold
C. Mat gold
D. Sponge gold
Q.8: The carat for Au foil used for restorations is_______________?>
A. 18
B. 20
C. 22
D. 24
Q.9: Electralloy is an alloy of________________?+
A. Gold and Platinum
B. Cobalt and Chromium
C. Gold and Calcium
D. Tin and chromium
Q.10: The pure form of gold used in dentistry is known as___________________?G
A. Cohesive gold
B. Non cohesive gold
C. Class I casting gold
D. Class IV casting gold

Related Mcqs

All Subject Mcqs