title: [Regarding orthognathic surgery].
abstract: The author scrutinises the evolution of orthognathic surgery for the last twenty years through the different parameters that participate to its origin; esthetic motivation, orthodontico-surgical collaboration, the limitation of widely used technics, a simple surgical solution, the spreading of rigid fixation, the interest of primary or secondary genioplasty, the consideration of ethnic differences,the usefulness of a maxillo-facial chain, the possible retreatment of failures and consideration for the stability of results.
authors.forename: M
authors.initials: M
authors.lastname: Freidel
mesh_terms: D001860:Bone Plates; D002680:Chin / Q000601:surgery; D004955:Esthetics, Dental; D005260:Female; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000601:surgery*; D009971:Orthodontics, Corrective; D010027:Osteotomy / Q000295:instrumentation / Q000379:methods; D012086:Reoperation; D016896:Treatment Outcome
vernacular_title: Regards sur la chirurgie orthognathique.