2021 Fiscal Year Final Research Report
Longitudinal study on the interrelationship between oral status, and psychological and social frailty in the elderly
| Project/Area Number |
20K23077
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Multi-year Fund |
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| Review Section |
0907:Oral science and related fields
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| Research Institution | Osaka University |
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Principal Investigator |
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| Project Period (FY) |
2020-09-11 – 2022-03-31
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| Keywords | 高齢者歯科 / 口腔機能 / フレイル |
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| Outline of Final Research Achievements |
We investigated the relationship between oral factors and psychological and social frailty. The analysis was conducted on 1065 participants (70s and 80s). A person with cognitive decline and corresponding to physical frailty was defined as cognitive frailty., and social frailty was defined as those who corresponded to two or more of "living alone", "interacting with people other than family members less than once a month", and "going out less than twice a week".
As a result of the analysis, participants with cognitive frailty had lower occlusal force, masticatory function, tongue pressure, and swallowing function, and a significant relationship was found in each function. In addition, participants with social frailty had low tongue pressure, and a significant association was found.
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| Free Research Field |
高齢者歯科学
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| Academic Significance and Societal Importance of the Research Achievements |
超高齢社会を迎えた我が国において，要介護状態，寝たきりの予防が重要と考えられている。その中でも，フレイルは生活機能障害，要介護 状態，死亡などの転帰に陥りやすい状態とされており，フレイルの予防は，高齢者の健康寿命に大きく貢献すると考えられる．これまでにも、口腔内の様々な機能が身体的フレイルと関連しているとの報告は多く見られたが，本研究では社会的フレイルや心理的フレイルでも口腔機能と関連が見られた．つまり、身体的フレイルだけではなく、フレイルのすべての側面において、口腔機能が重要となってくることが示された．
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