[Retrusion of the upper canine using the Dr. Robert Ricketts technic].
D006801:Humans; D007180:Incisor; D008310:Malocclusion / Q000628:therapy*; D008437:Maxilla; D009967:Orthodontic Appliances; D014087:Tooth Movement Techniques / Q000379:methods*
Retrusor del canino superior del Dr. Robert Ricketts.