The carat for Au foil used for restorations is:
Correct Answer: 24
Description: Direct filling gold, also called gold foil, is a metallic restorative material that relies on its ductility and malleability to adapt to a cavity preparation. The restorative process requires condensation that makes the final restoration practically a wrought metal.
KARAT
It refers to the parts of pure gold present in 24 parts of alloy, e.g.,
— 24 karat gold is pure gold.
— 22 karat gold is 22 parts pure gold and 2 parts of other metal.
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