title: Removable quadhelices and transpalatal arches.
authors.affiliation: Department of Orthodontics, Eastmam Dental Institute, London.
authors.forename: D R
authors.initials: DR
authors.lastname: Young
mesh_terms: D000202:Activator Appliances; D003722:Dental Alloys / Q000737:chemistry; D006801:Humans; D016382:Orthodontic Appliance Design; D009968:Orthodontic Appliances, Removable; D013193:Stainless Steel / Q000737:chemistry; D013499:Surface Properties; D013718:Tensile Strength; D014087:Tooth Movement Techniques / Q000295:instrumentation
chemical_list: D003722:Dental Alloys; D013193:Stainless Steel