title: [Allergic reactions of Ni-Cr alloy-porcelain crown: report of four cases].
abstract: Four cases, who had allergic reactions of Ni-Cr alloy-porcelain crown, were reported. Their main clinical features, causes of symptoms, methods of diagnosis and treatment were analyzed.
authors.affiliation: Department of Prosthetic Dentistry, Suzhou Stomatological Hospital. Suzhou 215005, Jiangsu Province, China. dentws@sohu.com
authors.forename: Sheng
authors.initials: S
authors.lastname: Wang
authors.forename: Xiao-Yuan
authors.initials: XY
authors.lastname: Hu
authors.forename: Ai-Dong
authors.initials: AD
authors.lastname: Chu
mesh_terms: D000328:Adult; D002858:Chromium Alloys / Q000009:adverse effects; D003442:Crowns / Q000009:adverse effects*; D005260:Female; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D008297:Male; D016876:Metal Ceramic Alloys / Q000009:adverse effects*; D008875:Middle Aged; D009532:Nickel / Q000009:adverse effects
chemical_list: D002858:Chromium Alloys; D016876:Metal Ceramic Alloys; D009532:Nickel