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Stroke: An electromyographic approach to the masseter and temporal muscles, orofacial soft tissue pressure, and occlusal force

Stroke is a cerebrovascular disease that triggers changes in the central and peripheral nervous systems, and can compromise human body function. This cross-sectional observational study aimed to analyze the electromyographic (EMG) activity of the masseter and temporal muscles, orofacial soft tissue...

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Autores principales: Lopes, Robson Felipe Tosta, Palinkas, Marcelo, Pádua da Silva, Gabriel, Verri, Edson Donizetti, Regalo, Isabela Hallak, Gonçalves, Camila Rosa, Hallak, Jaime Eduardo Cecilio, Costa Gomes, Guilherme Gallo, Regalo, Simone Cecílio Hallak, Siéssere, Selma
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9976995/
https://www.ncbi.nlm.nih.gov/pubmed/36857404
http://dx.doi.org/10.1371/journal.pone.0282362
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author Lopes, Robson Felipe Tosta
Palinkas, Marcelo
Pádua da Silva, Gabriel
Verri, Edson Donizetti
Regalo, Isabela Hallak
Gonçalves, Camila Rosa
Hallak, Jaime Eduardo Cecilio
Costa Gomes, Guilherme Gallo
Regalo, Simone Cecílio Hallak
Siéssere, Selma
author_facet Lopes, Robson Felipe Tosta
Palinkas, Marcelo
Pádua da Silva, Gabriel
Verri, Edson Donizetti
Regalo, Isabela Hallak
Gonçalves, Camila Rosa
Hallak, Jaime Eduardo Cecilio
Costa Gomes, Guilherme Gallo
Regalo, Simone Cecílio Hallak
Siéssere, Selma
author_sort Lopes, Robson Felipe Tosta
collection PubMed
description Stroke is a cerebrovascular disease that triggers changes in the central and peripheral nervous systems, and can compromise human body function. This cross-sectional observational study aimed to analyze the electromyographic (EMG) activity of the masseter and temporal muscles, orofacial soft tissue pressure, and strength of occlusal contacts in patients who had suffered a stroke. Twenty-four patients were divided into two groups: stroke (n = 12) and control (n = 12). The EMG of the masseter and temporal muscles was evaluated during mandibular rest, protrusion, right laterality, left laterality, and maximal voluntary contraction. The Iowa Oral Pressure Instrument (IOPI) was used to measure pressure from the tongue, lips, and buccinator muscles. A computerized system for occlusal analysis (T-Scan III) was used to measure the occlusal contact points of the right and left hemiarches (upper and lower) and the upper and lower first molars. Data were subjected to Student’s t-test (p < 0.05). The stroke group had lower normalized electromyographic activity, with a significant difference in the left temporal muscle during rest (p = 0.03) when compared to the control group. There was a significant difference between the groups in tongue pressure (p = 0.004) with a lower mean value in the stroke group. There was a significant difference between the groups in the evaluation of the occlusal contact points of the first permanent molars, with a lower mean percentage in the stroke group. The results indicate that stroke negatively affects functional performance of the stomatognathic system.
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spelling pubmed-99769952023-03-02 Stroke: An electromyographic approach to the masseter and temporal muscles, orofacial soft tissue pressure, and occlusal force Lopes, Robson Felipe Tosta Palinkas, Marcelo Pádua da Silva, Gabriel Verri, Edson Donizetti Regalo, Isabela Hallak Gonçalves, Camila Rosa Hallak, Jaime Eduardo Cecilio Costa Gomes, Guilherme Gallo Regalo, Simone Cecílio Hallak Siéssere, Selma PLoS One Research Article Stroke is a cerebrovascular disease that triggers changes in the central and peripheral nervous systems, and can compromise human body function. This cross-sectional observational study aimed to analyze the electromyographic (EMG) activity of the masseter and temporal muscles, orofacial soft tissue pressure, and strength of occlusal contacts in patients who had suffered a stroke. Twenty-four patients were divided into two groups: stroke (n = 12) and control (n = 12). The EMG of the masseter and temporal muscles was evaluated during mandibular rest, protrusion, right laterality, left laterality, and maximal voluntary contraction. The Iowa Oral Pressure Instrument (IOPI) was used to measure pressure from the tongue, lips, and buccinator muscles. A computerized system for occlusal analysis (T-Scan III) was used to measure the occlusal contact points of the right and left hemiarches (upper and lower) and the upper and lower first molars. Data were subjected to Student’s t-test (p < 0.05). The stroke group had lower normalized electromyographic activity, with a significant difference in the left temporal muscle during rest (p = 0.03) when compared to the control group. There was a significant difference between the groups in tongue pressure (p = 0.004) with a lower mean value in the stroke group. There was a significant difference between the groups in the evaluation of the occlusal contact points of the first permanent molars, with a lower mean percentage in the stroke group. The results indicate that stroke negatively affects functional performance of the stomatognathic system. Public Library of Science 2023-03-01 /pmc/articles/PMC9976995/ /pubmed/36857404 http://dx.doi.org/10.1371/journal.pone.0282362 Text en © 2023 Lopes et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Lopes, Robson Felipe Tosta
Palinkas, Marcelo
Pádua da Silva, Gabriel
Verri, Edson Donizetti
Regalo, Isabela Hallak
Gonçalves, Camila Rosa
Hallak, Jaime Eduardo Cecilio
Costa Gomes, Guilherme Gallo
Regalo, Simone Cecílio Hallak
Siéssere, Selma
Stroke: An electromyographic approach to the masseter and temporal muscles, orofacial soft tissue pressure, and occlusal force
title Stroke: An electromyographic approach to the masseter and temporal muscles, orofacial soft tissue pressure, and occlusal force
title_full Stroke: An electromyographic approach to the masseter and temporal muscles, orofacial soft tissue pressure, and occlusal force
title_fullStr Stroke: An electromyographic approach to the masseter and temporal muscles, orofacial soft tissue pressure, and occlusal force
title_full_unstemmed Stroke: An electromyographic approach to the masseter and temporal muscles, orofacial soft tissue pressure, and occlusal force
title_short Stroke: An electromyographic approach to the masseter and temporal muscles, orofacial soft tissue pressure, and occlusal force
title_sort stroke: an electromyographic approach to the masseter and temporal muscles, orofacial soft tissue pressure, and occlusal force
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9976995/
https://www.ncbi.nlm.nih.gov/pubmed/36857404
http://dx.doi.org/10.1371/journal.pone.0282362
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