Today, various restorative materials such as amalgam or composite are used to restore damaged teeth. If there is decay in the case of old restorations and veneers, it is necessary to replace the old restorative materials. Depending on the type, amount and location of caries, amalgam or composite may be used.
Dental amalgam is a mixture of metals consisting of liquid mercury and a powdered alloy consisting of silver, tin and copper. About half of a dental amalgam weighs in from mercury.
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