title: Histopathological study of gingival pigmentation caused by full cast crown.
mesh_terms: D003442:Crowns / Q000009:adverse effects*; D005882:Gingival Diseases / Q000139:chemically induced / Q000473:pathology*; D006047:Gold Alloys / Q000009:adverse effects*; D006801:Humans; D010859:Pigmentation Disorders / Q000139:chemically induced / Q000473:pathology*
chemical_list: D006047:Gold Alloys