title: Extrinsic tooth discoloration by metals and chlorhexidine. II. Clinical staining produced by chlorhexidine, iron and tea.
mesh_terms: D000328:Adult; D002710:Chlorhexidine / Q000009:adverse effects / Q000031:analogs & derivatives*; D003116:Color; D005260:Female; D006801:Humans; D007501:Iron / Q000009:adverse effects*; D008297:Male; D013662:Tea / Q000009:adverse effects*; D014059:Tongue / Q000033:anatomy & histology; D014075:Tooth Discoloration / Q000139:chemically induced*
chemical_list: D013662:Tea; D007501:Iron; C010882:chlorhexidine gluconate; D002710:Chlorhexidine