Preliminary study of articulatory reorganisation of fricative consonants following osteotomy

Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)
M WakumotoK Michi

Abstract

Patients who undergo osteotomy experience a radical change in the skeletal relationship between the mandible and maxilla and as yet little is known about how this affects speech articulation. This study investigated the extent to which articulatory placement for the lingual consonant /s/ changed following surgery. Using the technique of electropalatography and acoustic analysis, patients' productions of fricative sounds were recorded before and after osteotomy. Five patients were investigated, 3 with mandibular prognathism and 2 with maxillary protrusion. Results showed that there were significant changes in articulatory placement after the operation, and that these were correlated with an acoustic measure (CPF). The direction of change could be predicted on the basis of the type of operation undergone, and these changes were maintained 6 months post-operatively. The implications of the findings are discussed.

Citations

Apr 11, 2001·The Cleft Palate-craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association·F E Gibbon, L Crampin
Apr 30, 2009·Clinical Linguistics & Phonetics·Emel Sari, Mehmet Akif Kiliç
Nov 21, 2007·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Tasnim HassanDaljit S Gill
Jul 21, 2006·The Cleft Palate-craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association·Nattharee ChanchareonsookTara L Whitehill
Apr 15, 2021·The Journal of Craniofacial Surgery·Choco H Y HoValerie Jane Pereira

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