title: [2 cases of lichen planus apparently caused by allergy to dental metals].
mesh_terms: D000328:Adult; D003723:Dental Amalgam / Q000009:adverse effects*; D003877:Dermatitis, Contact / Q000209:etiology*; D006801:Humans; D008010:Lichen Planus / Q000209:etiology*; D008297:Male; D008628:Mercury / Q000009:adverse effects; D008875:Middle Aged; D009059:Mouth Diseases / Q000209:etiology*; D012882:Skin Tests; D015032:Zinc / Q000009:adverse effects
chemical_list: D003723:Dental Amalgam; D008628:Mercury; D015032:Zinc