title: Letter to the editor: response to Dr. Friedl.
authors.forename: Ole
authors.initials: O
authors.lastname: Brinkmann
mesh_terms: D003793:Dental Restoration, Permanent / Q000379:methods*; D005260:Female; D005899:Glass Ionomer Cements; D006801:Humans; D008297:Male
chemical_list: D005899:Glass Ionomer Cements