title: The Fränkel appliance (FR-2): model preparation and appliance construction.
mesh_terms: D000202:Activator Appliances; D003761:Dental Impression Technique; D006801:Humans; D007574:Jaw Relation Record; D003765:Models, Dental; D009968:Orthodontic Appliances, Removable; D009969:Orthodontic Wires; D014087:Tooth Movement Techniques / Q000295:instrumentation*