The Crozat removable appliance.
D001696:Biomechanical Phenomena; D002508:Cephalometry; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D009968:Orthodontic Appliances, Removable; D010519:Periodontium / Q000502:physiology; D014087:Tooth Movement Techniques / Q000295:instrumentation* / Q000379:methods