[Dental materials and environmental pollution].
D003723:Dental Amalgam / Q000592:standards*; D006801:Humans; D007564:Japan; D008630:Mercury Poisoning / Q000517:prevention & control*; D009784:Occupational Diseases / Q000517:prevention & control*; D014877:Water Pollution, Chemical / Q000517:prevention & control*
D003723:Dental Amalgam