[Effects of heavy metals on the gingiva].
D000818:Animals; D005882:Gingival Diseases / Q000139:chemically induced*; D007855:Lead Poisoning / Q000150:complications; D008670:Metals / Q000009:adverse effects*; D010859:Pigmentation Disorders / Q000139:chemically induced*; D051381:Rats
D008670:Metals