Mandibular cervical gear to gain or regain arch length.
Freeman
R S
RS
D002648:Child; D003724:Dental Arch; D005115:Extraoral Traction Appliances; D005260:Female; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000628:therapy*; D008334:Mandible; D009968:Orthodontic Appliances, Removable; D012690:Serial Extraction; D014087:Tooth Movement Techniques