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[Clinical study on velopharyngeal function after maxillary advancement]
1Department of Oral and Maxillofacial Surgery, Peking University School of Stomatology, Beijing 100081, China.
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.
