Effect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial

Abstract Maintaining oral function in older individuals with missing teeth is important for leading a healthy and independent life. This study aimed to evaluate whether simple isometric exercises can maintain and improve the oral function [maximum occlusal force (MOF) and masticatory ability (MA)] a...

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Autores principales:	S. Takano, Kohei Yamaguchi, K. Nakagawa, K. Yoshimi, A. Nakane, T. Okumura, H. Tohara
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cdbe69b0ab6747c0a309647bc75d3ff6
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spelling	oai:doaj.org-article:cdbe69b0ab6747c0a309647bc75d3ff62021-12-02T14:23:05ZEffect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial10.1038/s41598-021-86807-w2045-2322https://doaj.org/article/cdbe69b0ab6747c0a309647bc75d3ff62021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86807-whttps://doaj.org/toc/2045-2322Abstract Maintaining oral function in older individuals with missing teeth is important for leading a healthy and independent life. This study aimed to evaluate whether simple isometric exercises can maintain and improve the oral function [maximum occlusal force (MOF) and masticatory ability (MA)] and the masticatory muscle properties [masseter muscle thickness (MMT) and echo intensity (MMEI)] in older adults during the maintenance phase of removable prosthetic treatment. Participants were randomly categorized into the intervention and control groups. The mouthpieces were distributed, and participants were instructed to use them for exercising. The intervention group was instructed to perform maximum clenching for 10 s, whereas the control group was instructed to tap the teeth at an arbitrary speed for 10 s. Both were repeated five times at an interval of 5 s between each activity and twice daily for 4 weeks. The outcomes were measured after a month of exercise. The intervention group showed a significant improvement in the MOF, MMT during contraction, MMT at rest and MMEI during contraction. There were no significant differences in the MA and MMEI at rest. In the control group, no improvement was observed in any of the parameters. When the isometric exercises were performed using a mouthpiece, there was an improvement in the oral function and masseter muscle properties in older individuals with Eichner B status who used dentures.S. TakanoKohei YamaguchiK. NakagawaK. YoshimiA. NakaneT. OkumuraH. ToharaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q S. Takano Kohei Yamaguchi K. Nakagawa K. Yoshimi A. Nakane T. Okumura H. Tohara Effect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial
description	Abstract Maintaining oral function in older individuals with missing teeth is important for leading a healthy and independent life. This study aimed to evaluate whether simple isometric exercises can maintain and improve the oral function [maximum occlusal force (MOF) and masticatory ability (MA)] and the masticatory muscle properties [masseter muscle thickness (MMT) and echo intensity (MMEI)] in older adults during the maintenance phase of removable prosthetic treatment. Participants were randomly categorized into the intervention and control groups. The mouthpieces were distributed, and participants were instructed to use them for exercising. The intervention group was instructed to perform maximum clenching for 10 s, whereas the control group was instructed to tap the teeth at an arbitrary speed for 10 s. Both were repeated five times at an interval of 5 s between each activity and twice daily for 4 weeks. The outcomes were measured after a month of exercise. The intervention group showed a significant improvement in the MOF, MMT during contraction, MMT at rest and MMEI during contraction. There were no significant differences in the MA and MMEI at rest. In the control group, no improvement was observed in any of the parameters. When the isometric exercises were performed using a mouthpiece, there was an improvement in the oral function and masseter muscle properties in older individuals with Eichner B status who used dentures.
format	article
author	S. Takano Kohei Yamaguchi K. Nakagawa K. Yoshimi A. Nakane T. Okumura H. Tohara
author_facet	S. Takano Kohei Yamaguchi K. Nakagawa K. Yoshimi A. Nakane T. Okumura H. Tohara
author_sort	S. Takano
title	Effect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial
title_short	Effect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial
title_full	Effect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial
title_fullStr	Effect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial
title_full_unstemmed	Effect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial
title_sort	effect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/cdbe69b0ab6747c0a309647bc75d3ff6
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Effect of isometric exercises on the masseter muscle in older adults with missing dentition: a randomized controlled trial

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