The changes by the distal movement of maxillary first molars in the gnathofacial region.
D002508:Cephalometry; D002648:Child; D005115:Extraoral Traction Appliances; D005145:Face / Q000033:anatomy & histology*; D006801:Humans; D008437:Maxilla / Q000033:anatomy & histology* / Q000502:physiology; D008445:Maxillofacial Development; D008963:Molar / Q000502:physiology; D012399:Rotation; D014087:Tooth Movement Techniques