What is amalgam?
D003188:Composite Resins; D003723:Dental Amalgam / Q000737:chemistry; D003793:Dental Restoration, Permanent / Q000379:methods; D006801:Humans; D006967:Hypersensitivity; D008628:Mercury / Q000032:analysis; D019233:Retreatment; D012449:Safety
D003188:Composite Resins; D003723:Dental Amalgam; D008628:Mercury