9.
The metallic element in dental amalgam that is silver-white, liquid at room
temperature, and poisonous is _______________________.
10.
Dental amalgam is a:
a. Solid mixture of silver, tin, copper, and zinc.
b. Specially prepared silver alloy combined with mercury.
11.
Which of the following ingredients of dental amalgam imparts strength, durability,
and color, decreases the setting time and flow, and gives desirable setting
expansion?
a. Mercury.
b. Copper.
c.
Silver.
d. Zinc.
e. Tin.
12.
Which of the following ingredients of an amalgam restoration increases workability
and unites with oxygen to produce a clean amalgam?
a. Tin.
b. Zinc.
c.
Silver.
d. Copper.
e. Mercury.
MD0502
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