title: [Treatment changes in skeletal maxillary protrusion. The effect of cervical headgear and early treatment].
mesh_terms: D002508:Cephalometry; D002648:Child; D005115:Extraoral Traction Appliances; D005147:Facial Bones / Q000033:anatomy & histology*; D005260:Female; D006801:Humans; D008310:Malocclusion / Q000473:pathology / Q000503:physiopathology / Q000628:therapy*; D008437:Maxilla / Q000254:growth & development / Q000473:pathology; D009968:Orthodontic Appliances, Removable; D013997:Time Factors; D014087:Tooth Movement Techniques