title: Gingival changes following porcelain crown therapy.
mesh_terms: D003442:Crowns / Q000009:adverse effects*; D003731:Dental Caries / Q000209:etiology; D003776:Dental Porcelain; D005883:Gingival Crevicular Fluid / Q000032:analysis; D005891:Gingivitis / Q000209:etiology*; D006801:Humans
chemical_list: D003776:Dental Porcelain