title: [Etiological treatment of anterior vertical excess of the lower portion of the face].
abstract: Antero-vertical excess of the lower third of the face is associated with dysfunction of the base of the tongue and widening of the goniac angle. This dysfunction forms part of a complex dynamic clinical picture: antero-vertical excess can complicate: -retrognathism -acceptable bone relations as shown by cephalometric measurements after correction of the goniac angle; -a true mandibular prognathism. Contrary to its reputation, we believe sagittal osteotomy of the rami to be the method of choice, because it permits: 1) correction of the goniac angle, 2) completion by an advancement or by a backing of the dental portion of the mandible. This technique is said to have a high relapse rate, no doubt due to disregard for the indispensable rehabilitation of lingual dynamics in the post-operative phase. With a follow-up of between one year and 6 years, we have seen no cases of relapse by following these rules: 1) Routine tongue modelling starting 6 months before the orthopaedic operation. 2) Kinesiorthophony to raise the usual positions of the base of the tongue.
mesh_terms: D000293:Adolescent; D002648:Child; D003679:Deglutition; D005145:Face / Q000002:abnormalities*; D005260:Female; D005927:Glossectomy; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008334:Mandible / Q000002:abnormalities* / Q000601:surgery; D008445:Maxillofacial Development; D010027:Osteotomy; D014061:Tongue Habits
vernacular_title: Un traitement étiologique des excès verticaux antérieurs de l'étage inférieur de la face (E.V.A. E.I.F.).