title: [Clinical study on discoloration of gingiva after cementing of porcelain-fused-to-metal crowns (author's transl)].
mesh_terms: D002484:Cementation / Q000009:adverse effects; D003442:Crowns / Q000009:adverse effects*; D003722:Dental Alloys; D005882:Gingival Diseases / Q000209:etiology*; D006801:Humans; D010859:Pigmentation Disorders / Q000209:etiology*
chemical_list: D003722:Dental Alloys