Application of Prosthetic Speech Appliance in Patients with Oropharyngeal Defect.
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概要
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Prosthetic Speech Appliances (PSA) were applied to 21 patients who underwent resection of the oropharynx due to cancer. The relationships between the effect of the appliance and resected area, surgical reconstructive procedure and velum shape after surgery were investigated. Patient's speech was evaluated by cephalography with contrast media and a standardized speech intelligibility test consisting of 100 Japanese syllables. Velopharyngeal function was assessed by a soft blowing test, perceptual evaluation of the consonant /b/ and hypernasality of /i/and nasopharyngoscopy. The results were as follows:<BR>1. Velopharyngeal function and speech intelligibility remarkably improved with PSA.<BR>2. Based upon statistical analyses with PSA, (1) lower velopharyngeal function scores were statistically significant for patients with a v-shaped rear edge, (2) lower intelligibility were statistically significant for patients with tongue resection, and (3) there was no significant difference in velopharyngeal function and speech intelligibility among flaps and length of soft palate.<BR>3. Based upon cephalographic results, soft palate obturators were applied to patients with less than 1/2 of the normal soft palate length, speech bulbs were applied to those with at least 1/2 of the normal length, and palatal lift prostheses were applied to those with the normal soft palate length.<BR>The results indicated that the shape of the rear edge of the soft palate can be closely correlated with velopharyngeal function, and that resection of the tongue has a strong influence on intelligibility.
- 特定非営利活動法人 日本口腔科学会の論文
特定非営利活動法人 日本口腔科学会 | 論文
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