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2022 Fiscal Year Final Research Report

The impact of improved oral function on physical and mental function in older adults through nutrition: A 9-year longitudinal study

Research Project

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Project/Area Number 19K10203
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 57050:Prosthodontics-related
Research InstitutionOsaka University

Principal Investigator

Maeda Yoshinobu  大阪大学, 大学院歯学研究科, 招へい教員 (10144510)

Co-Investigator(Kenkyū-buntansha) 池邉 一典  大阪大学, 大学院歯学研究科, 教授 (70273696)
Project Period (FY) 2019-04-01 – 2023-03-31
Keywords高齢者
Outline of Final Research Achievements

We examined the relationship among oral function (salivary secretion, maximum occlusal force, number of teeth, masticatory function), BMI, nutritional intake status, and appetite in community community-dwelling older adults.
The results showed that maximum occlusal force was significantly associated with lower BMI and anorexia, and lower salivary secretion was associated with lower intake of vegetables, vitamins, minerals, and dietary fiber. It was also found that in the group with better maximum occlusal force, lower saliva production tended to be associated with lower nutritional intake of vegetables, vitamins, minerals, and dietary fiber.

Free Research Field

高齢者歯科学

Academic Significance and Societal Importance of the Research Achievements

栄養摂取状態は、認知症や全身疾患の発症に関与していると報告されている。本研究の結果は、口腔機能が栄養摂取状態に影響することを明らかにした重要なエビデンスであり、高齢期において口腔機能を維持することが栄養摂取を通じて全身の状況に影響を与える可能性を示すものである。
そのため、口腔機能を維持するためには早期の歯科治療や残存歯や歯科補綴装置のメンテナンスが重要であり、それらが延いては全身状態を健康に保つことにつながると思われる。

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Published: 2024-01-30  

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