title: Relation between locally high concentration of chlorhexidine and staining as seen in the clinic.
mesh_terms: D001345:Autoradiography; D001645:Biguanides / Q000494:pharmacology*; D002247:Carbon Isotopes; D004396:Coloring Agents / Q000494:pharmacology*; D006651:Histocytochemistry; D006801:Humans; D014075:Tooth Discoloration / Q000139:chemically induced*
chemical_list: D001645:Biguanides; D002247:Carbon Isotopes; D004396:Coloring Agents