title: [Questions and answers to possible side effects of external bleaching therapies].
abstract: There are several questions with regard to the application and possible side effects of external bleaching therapies. The following short review gives answers to some questions regarding this topic. It might be concluded that every bleaching therapy should be preceded by a meticulous intraoral examination. To reduce the risk of adverse effects, it is mandatory to have knowledge about the mode of action of bleaching agents.
authors.affiliation: Klinik für Präventivzahnmedizin, Parodontologie und Kariologie Zentrum Zahn-, Mund- und Kieferheilkunde der Universität Zürich.
authors.forename: Thomas
authors.initials: T
authors.lastname: Attin
authors.forename: Annette
authors.initials: A
authors.lastname: Wiegand
authors.forename: Patrick R
authors.initials: PR
authors.lastname: Schmidlin
mesh_terms: D000077463:Carbamide Peroxide; D003731:Dental Caries / Q000209:etiology; D003743:Dental Enamel / Q000187:drug effects; D003804:Dentin / Q000187:drug effects; D003807:Dentin Sensitivity / Q000209:etiology; D004338:Drug Combinations; D005889:Gingival Recession / Q000209:etiology; D006801:Humans; D006861:Hydrogen Peroxide / Q000009:adverse effects; D016877:Oxidants / Q000009:adverse effects; D010545:Peroxides / Q000009:adverse effects; D010808:Physical Examination; D014072:Tooth Abrasion / Q000209:etiology; D014073:Tooth Bleaching / Q000009:adverse effects*; D014077:Tooth Erosion / Q000209:etiology; D014508:Urea / Q000009:adverse effects / Q000031:analogs & derivatives
chemical_list: D004338:Drug Combinations; D016877:Oxidants; D010545:Peroxides; D000077463:Carbamide Peroxide; D014508:Urea; D006861:Hydrogen Peroxide