Amalgam issue.
D003723:Dental Amalgam / Q000009:adverse effects / Q000737:chemistry; D003764:Dental Materials / Q000737:chemistry; D003793:Dental Restoration, Permanent; D006801:Humans; D008628:Mercury / Q000009:adverse effects / Q000737:chemistry; D018570:Risk Assessment; D012449:Safety
D003764:Dental Materials; D003723:Dental Amalgam; D008628:Mercury