title: Low-friction space closure with a hybrid bracket-tube system.
authors.affiliation: Department of Orthodontics, School of Dentistry, Dental Research Institute, Seoul National University, Yeonkun-dong #28, Jongno-ku, Seoul 110-768, South Korea.
authors.forename: Cheol-Ho
authors.initials: CH
authors.lastname: Paik
authors.forename: Hyo-Won
authors.initials: HW
authors.lastname: Ahn
authors.forename: Il-Hyung
authors.initials: IH
authors.lastname: Yang
authors.forename: Seung-Hak
authors.initials: SH
authors.lastname: Baek
mesh_terms: D005260:Female; D017276:Friction; D006801:Humans; D016382:Orthodontic Appliance Design; D016910:Orthodontic Brackets; D019516:Orthodontic Space Closure / Q000295:instrumentation*; D009969:Orthodontic Wires; D055815:Young Adult