title: [Clinical study on velopharyngeal function after maxillary advancement].
abstract: OBJECTIVE
  To explore possible alterations in velopharyngeal function after maxillary advancement.
  
  
  METHODS
  Ten patients (3 secondary deformity of cleft palate, 7 maxillary retrusion) had maxillary advancement surgery. Pre- and post-operative examinations consisted of lateral cephalometric radiography, nasopharyngoscopy and speech recording.
  
  
  RESULTS
  There was no significant changes on speech or velopharyngeal competence after maxillary advancement. Cleft palate patients appeared slight hypernasality and nasal emission.
  
  
  CONCLUSIONS
  Good velopharyngeal function pre-operation is not affected after the surgery of maxillary advancement.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Peking University School of Stomatology, Beijing 100081, China.
authors.forename: Ying
authors.initials: Y
authors.lastname: Wang
authors.forename: Biao
authors.initials: B
authors.lastname: Yi
authors.forename: Lian
authors.initials: L
authors.lastname: Ma
authors.forename: Ren-Ji
authors.initials: RJ
authors.lastname: Chen
authors.forename: Hong-Ping
authors.initials: HP
authors.lastname: Zhu
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D019340:Osteotomy, Le Fort; D010159:Palate / Q000503:physiopathology* / Q000601:surgery; D010614:Pharynx / Q000503:physiopathology* / Q000601:surgery; D014833:Voice Quality; D055815:Young Adult