In type II gold alloys _______ Karat gold is used?
Correct answer: C. 18 K
- A. 24 K
- B. 22 K
- C. 18 K
- D. 10 K
Explanation
Type II dental gold alloys are medium-strength alloys commonly made with about 18-karat gold. Pure 24-karat gold is too soft for this casting application, while 10-karat gold has a much lower gold content.
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