2012 Fiscal Year Final Research Report
Study of factors affecting bolus preparation
| Project/Area Number |
22792112
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Social dentistry
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| Research Institution | Osaka University |
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Principal Investigator |
NOHARA Kanji 大阪大学, 歯学部附属病院, 助教 (20346167)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 摂食 / 嚥下障害 / 食塊形成機能 / 内視鏡 / 誤嚥 / 口腔機能 |
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| Research Abstract |
The purpose of this study was to clarify the factors affecting bolus preparation in the elderly. The thirty elderly are used as subjects, who were instructed to have two color rice at a mouthful. We evaluated the function of bolus preparation in pharynx, using videoendoscopy and assessed the factors of oral function. The multiple regression analysis was performed: the amount of saliva, the number of mastication and the number of posterior occulusal support were adopted as explanatory variable and the status of bolus preparation were adopted as objective variable. The analysis showed the amount of saliva was related to the bolus preparation and the others were not. These results indicated that saliva secretion is important to prepare the bolus for the elderly.
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