White gold alloy predominantly is______________?
White gold alloy predominantly is______________? A. Gold added with palladium B. Gold added with calcium C. Gold with much of chromium D. Gold with silver
White gold alloy predominantly is______________? A. Gold added with palladium B. Gold added with calcium C. Gold with much of chromium D. Gold with silver
In type II gold alloys _______ Karat gold is used? A. 24 K B. 22 KC. 18 K D. 10 K
The material used in its pure form in dentistry is______________? A. Composite B. SilverC. Gold D. Amalgam
Cohesion of gold foil is an example of______________? A. Atomic attraction and welding B. Annealing C. Wedging D. Adaptation
Average particle size of powdered gold is________________? A. 10 umB. 15 um C. 30 um D. 0.1 um
The pure form of gold used in dentistry is known as___________________? A. Cohesive gold B. Non cohesive gold C. Class I casting gold D. Class IV casting gold
Electralloy is an alloy of________________? A. Gold and Platinum B. Cobalt and ChromiumC. Gold and Calcium D. Tin and chromium
The carat for Au foil used for restorations is_______________? A. 18 B. 20 C. 22D. 24
Direct filling gold formed by electrolytic precipitation is called by all the terms EXCEPT______________? A. CrystallineB. Granular gold C. Mat gold D. Sponge gold
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 layerC. Presence of copper D. Formation of excess oxides