Clinical Evaluation of the Speech Following Maxillectomy

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Title ( eng )
Clinical Evaluation of the Speech Following Maxillectomy
Title ( jpn )
上顎骨切除患者における構音の臨床評価法
Creator
Takeuchi Kazuhiro
Ishikawa Takenori
Shimosato Tsunehiro
Source Title
Hiroshima Journal of Medical Sciences
Volume 32
Issue 3
Start Page 359
End Page 366
Journal Identifire
[PISSN] 0018-2052
[EISSN] 2433-7668
[NCID] AA00664312
Abstract
The influence of maxillectomy on speech sound articulation and intelligibility were studied by ten cases. These cases were anatomically classified into Type I (unilateral), II (unilateral), and III (bilateral) in maxillectomy type. Pressure consonants, such as plosives [p, b, t, d, k, g], fricatives [s, ç] and affricates [ts, dz, tʃ, dʒ], were defective in maxillectomized patients. Vowels [i, u] were inclined to be hypernasal. Nasal consonants [m, n] and fricatives [F, h; j, w] were rarely misarticulated. Dental obtulator, denture or maxillo-dental prosthesis for unilateral maxillectomy produced effective recovery of speech in most of cases, but did not so much for bilateral maxillectomy. When patients with unilateral maxillectomy (Type I or II) obtained intraoral pressure ratio of 0.8 or more with the use of such prosthesis, their speech became intelligible. The patients with bilateral maxillectomy (Type III), however, could not attain to such acceptable speech level. Articulation test composed of eight consonants [p, b, t, d, k, g, s, ç] and five vowels [a, o, e, u, i] is recommended for such patients conclusively in consideration of this experimental result.
Keywords
Maxillectomy
Prosthesis
Articulation disorders
Intelligibility test
NDC
Medical sciences [ 490 ]
Language
eng
Resource Type departmental bulletin paper
Publisher
Hiroshima University School of Medicine
Date of Issued 1983-09
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0018-2052
[NCID] AA00664312
[PMID] 6643112