Safety of amalgam.
D000571:American Dental Association; D003723:Dental Amalgam / Q000592:standards*; D006801:Humans; D008628:Mercury; D009316:National Institutes of Health (U.S.); D012952:Societies; D014481:United States; D014492:United States Public Health Service
D003723:Dental Amalgam; D008628:Mercury