title: Velopharyngeal insufficiency after maxillary advancement.
abstract: This paper reports velopharyngeal insufficiency after maxillary advancement in a 16-year-old boy. It underlines the need for systematic, quantitative investigation of the effects of this new operation on speech and velopharyngeal function.
mesh_terms: D000293:Adolescent; D006801:Humans; D008297:Male; D008437:Maxilla / Q000601:surgery*; D010027:Osteotomy / Q000009:adverse effects*; D010159:Palate / Q000503:physiopathology*; D010608:Pharyngeal Diseases / Q000209:etiology / Q000503:physiopathology; D010614:Pharynx / Q000503:physiopathology*