[Candidates review guide on oral and maxillofacial surgery (2)].
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Biomedical subjects
Publications and source records attributed to Ren-Ji Chen.
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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.