Hyperpropulsor activator.
D000202:Activator Appliances; D002648:Child; D002675:Child, Preschool; D004867:Equipment Design; D005115:Extraoral Traction Appliances; D005260:Female; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D009968:Orthodontic Appliances, Removable