Answer:
The correct answer is option C. Amalgam restoration.
Explanation:
Amalgam is the material that uses in the restoration of the teeth. For a long period of time amalgam is the first choice of dentists for restoration. Amalgam consist of the silver tin alloy reacted with the liquid mercury that results in strong silver-gray material.
Amalgam is most common as it is strong than other materials used for restoration. These are durable and cost-effective too.
Thus, the correct answer is option c. Amalgam.
