Allergic gingival reaction to esthetic crowns.
D000328:Adult; D002858:Chromium Alloys / Q000009:adverse effects; D003442:Crowns / Q000009:adverse effects; D005260:Female; D005885:Gingival Hyperplasia / Q000139:chemically induced*; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology; D009532:Nickel / Q000009:adverse effects*
D002858:Chromium Alloys; D009532:Nickel