title: On the use of vertical loops in retraction systems.
authors.affiliation: Department of Mechanical Engineering, University of Alberta, Edmonton, Canada.
authors.forename: M G
authors.initials: MG
authors.lastname: Faulkner
authors.forename: A W
authors.initials: AW
authors.lastname: Lipsett
authors.forename: K
authors.initials: K
authors.lastname: el-Rayes
authors.forename: D L
authors.initials: DL
authors.lastname: Haberstock
mesh_terms: D003799:Dental Stress Analysis; D004548:Elasticity; D004867:Equipment Design; D006801:Humans; D009967:Orthodontic Appliances; D009969:Orthodontic Wires; D012399:Rotation; D014087:Tooth Movement Techniques / Q000379:methods*