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What is The carat of gold foil used for restoration: and explain in detail?
The direct filling gold is 99.99% pure which is similar to 24 carat gold. Carat refers to the parts of pure gold in 24 parts of an alloy. 24-karat gold is pure gold, whereas 22-karat gold is an alloy containing 22 parts pure gold and 2 parts of other metals.