Number of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: A Shimane CoHRE study.

<h4>Objectives</h4>We aimed to examine the number of teeth and masticatory function as oral health indices and clarify their roles in the pathogenesis of sarcopenia and diabetes mellitus in community-dwelling older adults.<h4>Subjects and methods</h4>This cross-sectional stud...

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Autores principales:	Takafumi Abe, Kazumichi Tominaga, Yuichi Ando, Yuta Toyama, Miwako Takeda, Masayuki Yamasaki, Kenta Okuyama, Tsuyoshi Hamano, Minoru Isomura, Toru Nabika, Shozo Yano
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8b31d963d026496384504ead2fd4ca0a
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spelling	oai:doaj.org-article:8b31d963d026496384504ead2fd4ca0a2021-12-02T20:11:07ZNumber of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: A Shimane CoHRE study.1932-620310.1371/journal.pone.0252625https://doaj.org/article/8b31d963d026496384504ead2fd4ca0a2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0252625https://doaj.org/toc/1932-6203<h4>Objectives</h4>We aimed to examine the number of teeth and masticatory function as oral health indices and clarify their roles in the pathogenesis of sarcopenia and diabetes mellitus in community-dwelling older adults.<h4>Subjects and methods</h4>This cross-sectional study was conducted with 635 older adults in Ohnan, Shimane Prefecture, in rural Japan. The number of teeth and masticatory function (measured by the number of gummy jelly pieces collected after chewing) were evaluated by dental hygienists. Sarcopenia status was assessed using handgrip strength, skeletal muscle index, calf circumference, and a possible sarcopenia diagnosis based on the Asian Working Group for Sarcopenia 2019. Diabetes mellitus status was defined as a hemoglobin A1c level ≥6.5% or self-reported diabetes. A multivariable logistic regression model was used to analyze the association between oral health, sarcopenia, and diabetes mellitus after adjusting for confounders.<h4>Results</h4>After adjusting for all confounders, logistic regression analysis showed that the number of remaining teeth was negatively associated with a low level of handgrip strength (odds ratio [OR], 0.961; 95% confidence interval [CI], 0.932-0.992) and possible sarcopenia (OR, 0.949; 95% CI, 0.907-0.992). Higher levels of masticatory function were also negatively associated with a low level of handgrip strength (OR, 0.965; 95% CI, 0.941-0.990) and possible sarcopenia (OR, 0.941; 95% CI, 0.904-0.979). Logistic regression analysis showed that the number of remaining teeth and a higher level of masticatory function were negatively associated with diabetes mellitus (OR, 0.978; 95% CI, 0.957-0.999; OR, 0.976; 95% CI, 0.960-0.992, respectively).<h4>Conclusion</h4>Our findings suggest that improvement in oral health, including the maintenance of masticatory function and remaining teeth, may contribute to the prevention of sarcopenia and diabetes mellitus in older adults.Takafumi AbeKazumichi TominagaYuichi AndoYuta ToyamaMiwako TakedaMasayuki YamasakiKenta OkuyamaTsuyoshi HamanoMinoru IsomuraToru NabikaShozo YanoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 6, p e0252625 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Takafumi Abe Kazumichi Tominaga Yuichi Ando Yuta Toyama Miwako Takeda Masayuki Yamasaki Kenta Okuyama Tsuyoshi Hamano Minoru Isomura Toru Nabika Shozo Yano Number of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: A Shimane CoHRE study.
description	<h4>Objectives</h4>We aimed to examine the number of teeth and masticatory function as oral health indices and clarify their roles in the pathogenesis of sarcopenia and diabetes mellitus in community-dwelling older adults.<h4>Subjects and methods</h4>This cross-sectional study was conducted with 635 older adults in Ohnan, Shimane Prefecture, in rural Japan. The number of teeth and masticatory function (measured by the number of gummy jelly pieces collected after chewing) were evaluated by dental hygienists. Sarcopenia status was assessed using handgrip strength, skeletal muscle index, calf circumference, and a possible sarcopenia diagnosis based on the Asian Working Group for Sarcopenia 2019. Diabetes mellitus status was defined as a hemoglobin A1c level ≥6.5% or self-reported diabetes. A multivariable logistic regression model was used to analyze the association between oral health, sarcopenia, and diabetes mellitus after adjusting for confounders.<h4>Results</h4>After adjusting for all confounders, logistic regression analysis showed that the number of remaining teeth was negatively associated with a low level of handgrip strength (odds ratio [OR], 0.961; 95% confidence interval [CI], 0.932-0.992) and possible sarcopenia (OR, 0.949; 95% CI, 0.907-0.992). Higher levels of masticatory function were also negatively associated with a low level of handgrip strength (OR, 0.965; 95% CI, 0.941-0.990) and possible sarcopenia (OR, 0.941; 95% CI, 0.904-0.979). Logistic regression analysis showed that the number of remaining teeth and a higher level of masticatory function were negatively associated with diabetes mellitus (OR, 0.978; 95% CI, 0.957-0.999; OR, 0.976; 95% CI, 0.960-0.992, respectively).<h4>Conclusion</h4>Our findings suggest that improvement in oral health, including the maintenance of masticatory function and remaining teeth, may contribute to the prevention of sarcopenia and diabetes mellitus in older adults.
format	article
author	Takafumi Abe Kazumichi Tominaga Yuichi Ando Yuta Toyama Miwako Takeda Masayuki Yamasaki Kenta Okuyama Tsuyoshi Hamano Minoru Isomura Toru Nabika Shozo Yano
author_facet	Takafumi Abe Kazumichi Tominaga Yuichi Ando Yuta Toyama Miwako Takeda Masayuki Yamasaki Kenta Okuyama Tsuyoshi Hamano Minoru Isomura Toru Nabika Shozo Yano
author_sort	Takafumi Abe
title	Number of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: A Shimane CoHRE study.
title_short	Number of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: A Shimane CoHRE study.
title_full	Number of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: A Shimane CoHRE study.
title_fullStr	Number of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: A Shimane CoHRE study.
title_full_unstemmed	Number of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: A Shimane CoHRE study.
title_sort	number of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: a shimane cohre study.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/8b31d963d026496384504ead2fd4ca0a
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Number of teeth and masticatory function are associated with sarcopenia and diabetes mellitus status among community-dwelling older adults: A Shimane CoHRE study.

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