Effects of respiration on soft palate movement in feeding

Koichiro Matsuo, H. Metani, K. A. Mays, J. B. Palmer

研究成果: Article

8 引用 (Scopus)

抄録

Cyclic soft palate elevation is temporally associated with masticatory jaw movement. However, the soft palate is normally lowered during nasal breathing to maintain retropalatal airway patency. We tested the hypothesis that the frequency and amplitude of soft palate elevation associated with mastication would be reduced during inspiration. Movements of radiopaque soft palate markers were recorded by videofluorography while 11 healthy volunteers ate solid foods. Breathing was monitored with plethysmography. Masticatory sequences were divided into processing and stage II transport cycles (food transport to the oropharynx before swallowing). In food processing, palatal elevation was less frequent and its displacement was smaller during inspiration than expiration. In stage II transport, the soft palate was elevated less frequently during inspiration than expiration. These findings suggest that masticatory soft palate movement is diminished during inspiration. The control of breathing appears to have a significant effect on soft palate elevation in mastication.

元の言語English
ページ(範囲)1401-1406
ページ数6
ジャーナルJournal of Dental Research
89
発行部数12
DOI
出版物ステータスPublished - 01-12-2010

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Soft Palate
Respiration
Mastication
Food
Oropharynx
Food Handling
Plethysmography
Deglutition
Jaw
Nose
Healthy Volunteers

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

これを引用

Matsuo, Koichiro ; Metani, H. ; Mays, K. A. ; Palmer, J. B. / Effects of respiration on soft palate movement in feeding. :: Journal of Dental Research. 2010 ; 巻 89, 番号 12. pp. 1401-1406.
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Effects of respiration on soft palate movement in feeding. / Matsuo, Koichiro; Metani, H.; Mays, K. A.; Palmer, J. B.

:: Journal of Dental Research, 巻 89, 番号 12, 01.12.2010, p. 1401-1406.

研究成果: Article

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