title: A new bracket system: Control 21. Part I.
abstract: The Control 21 system is a new low energy orthodontic bracket system that provides prescriptive variable torque and angulation together with active, dimensionally-changing slot geometry.
authors.affiliation: P_F.Goldschmied@a130.aone.net.au
authors.forename: F
authors.initials: F
authors.lastname: Goldschmied
mesh_terms: D020724:Elastomers; D006801:Humans; D016382:Orthodontic Appliance Design; D016910:Orthodontic Brackets; D009969:Orthodontic Wires; D012399:Rotation; D013314:Stress, Mechanical; D013499:Surface Properties; D013997:Time Factors; D014087:Tooth Movement Techniques / Q000295:instrumentation*; D019415:Torque
chemical_list: D020724:Elastomers