title: [The etiological analysis of the patient's gingival lesion and discoloration caused by the defective porcelain-fused-to-metal restoration crown].
authors.forename: Xiao-ping
authors.initials: XP
authors.lastname: Luo
authors.forename: Yu-juan
authors.initials: YJ
authors.lastname: Shi
authors.forename: Xiao-feng
authors.initials: XF
authors.lastname: Huang
mesh_terms: D000328:Adult; D002858:Chromium Alloys / Q000009:adverse effects; D003442:Crowns / Q000009:adverse effects; D005260:Female; D005547:Foreign Bodies / Q000209:etiology; D005549:Foreign-Body Reaction; D005881:Gingiva / Q000601:surgery; D005885:Gingival Hyperplasia / Q000209:etiology / Q000601:surgery; D005890:Gingivectomy; D006801:Humans; D016876:Metal Ceramic Alloys / Q000009:adverse effects
chemical_list: D002858:Chromium Alloys; D016876:Metal Ceramic Alloys