title: Long-term experience with direct-bonded retainers: update and clinical advice.
authors.affiliation: Department of Orthodontics, University of Oslo, 0161 Oslo, Norway. zachriss@odont.uio.no
authors.forename: Björn U
authors.initials: BU
authors.lastname: Zachrisson
mesh_terms: D000180:Acrylic Resins; D000293:Adolescent; D000328:Adult; D002648:Child; D001840:Dental Bonding; D004868:Equipment Failure; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008310:Malocclusion / Q000628:therapy; D008334:Mandible; D008437:Maxilla; D008875:Middle Aged; D016382:Orthodontic Appliance Design; D018704:Orthodontic Retainers; D009969:Orthodontic Wires; D013027:Space Maintenance, Orthodontic / Q000295:instrumentation; D014087:Tooth Movement Techniques / Q000295:instrumentation
chemical_list: D000180:Acrylic Resins