Bruxism repercussions in muscular activation: Ultrasound differences in abdominal wall between women with and without bruxism. A cross-sectional study.

<h4>Introduction</h4>Bruxism, often triggered by stress, induces temporomandibular alterations, increasing muscle activity and affecting dental occlusion. Prevalence of musculoskeletal conditions related to stress is higher in women, with craneo-cervical affectation being frequently repo...

Full description

Saved in:
Bibliographic Details
Main Authors: Paula Yela-Lorenzo, Paola Montes-Arenas, Vanesa Abuín-Porras, Ángel González-de-la-Flor, Laura González-Fernández, Jorge Hugo Villafañe, Isabel Mínguez-Esteban
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2025-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0317316
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1823856717114376192
author Paula Yela-Lorenzo
Paola Montes-Arenas
Vanesa Abuín-Porras
Ángel González-de-la-Flor
Laura González-Fernández
Jorge Hugo Villafañe
Isabel Mínguez-Esteban
author_facet Paula Yela-Lorenzo
Paola Montes-Arenas
Vanesa Abuín-Porras
Ángel González-de-la-Flor
Laura González-Fernández
Jorge Hugo Villafañe
Isabel Mínguez-Esteban
author_sort Paula Yela-Lorenzo
collection DOAJ
description <h4>Introduction</h4>Bruxism, often triggered by stress, induces temporomandibular alterations, increasing muscle activity and affecting dental occlusion. Prevalence of musculoskeletal conditions related to stress is higher in women, with craneo-cervical affectation being frequently reported. Moreover, some authors explore the relationship between temporomandibular disorders and postural alteration, affecting the trunk complex. This study aims to evaluate differences in abdominal muscle morphology between women with and without bruxism in Spain, and, secondarily, the effects of voluntary teeth grinding in abdominal muscle activation.<h4>Methodology</h4>An observational analytical cross-sectional study was conducted with 44 Spanish women (diagnosed with bruxism = 22, non-bruxism = 22). To ensure and corroborate the absence of bruxism from the control group, the Clinical Based Assesment questionnaire was used. Ultrasound measures of Transverse Abdominal, External Oblique and Internal oblique were recorded during rest and voluntary grinding.<h4>Results</h4>Grinding was associated with changes in abdominal muscle thickness in both groups, with statistically significant higher thickness values for all studied muscles. Moreover, the Bruxism group showed statistically significant higher values for all muscles in grinding conditions compared to the Non-Bruxism group. Significant differences in left transverse abdominal thickness were found between groups in resting condition. Further analysis using linear regression indicated that both Bruxism (t = -2.03, p = 0.049) and BMI (t = 3.13, p = 0.003) were significantly associated with muscle thickness, with BMI acting as a confounding factor. Age was not a significant predictor (p = 0.506), suggesting its limited role in this context.<h4>Conclusion</h4>The results of this study support the existence of an association between bruxism and the abdominal wall muscles structure and activation. This emphasizes the importance of considering bruxism in the evaluation of abdominal muscle function.
format Article
id doaj-art-12cc6d132ee349ca832e646d37217b05
institution Kabale University
issn 1932-6203
language English
publishDate 2025-01-01
publisher Public Library of Science (PLoS)
record_format Article
series PLoS ONE
spelling doaj-art-12cc6d132ee349ca832e646d37217b052025-02-12T05:31:10ZengPublic Library of Science (PLoS)PLoS ONE1932-62032025-01-01202e031731610.1371/journal.pone.0317316Bruxism repercussions in muscular activation: Ultrasound differences in abdominal wall between women with and without bruxism. A cross-sectional study.Paula Yela-LorenzoPaola Montes-ArenasVanesa Abuín-PorrasÁngel González-de-la-FlorLaura González-FernándezJorge Hugo VillafañeIsabel Mínguez-Esteban<h4>Introduction</h4>Bruxism, often triggered by stress, induces temporomandibular alterations, increasing muscle activity and affecting dental occlusion. Prevalence of musculoskeletal conditions related to stress is higher in women, with craneo-cervical affectation being frequently reported. Moreover, some authors explore the relationship between temporomandibular disorders and postural alteration, affecting the trunk complex. This study aims to evaluate differences in abdominal muscle morphology between women with and without bruxism in Spain, and, secondarily, the effects of voluntary teeth grinding in abdominal muscle activation.<h4>Methodology</h4>An observational analytical cross-sectional study was conducted with 44 Spanish women (diagnosed with bruxism = 22, non-bruxism = 22). To ensure and corroborate the absence of bruxism from the control group, the Clinical Based Assesment questionnaire was used. Ultrasound measures of Transverse Abdominal, External Oblique and Internal oblique were recorded during rest and voluntary grinding.<h4>Results</h4>Grinding was associated with changes in abdominal muscle thickness in both groups, with statistically significant higher thickness values for all studied muscles. Moreover, the Bruxism group showed statistically significant higher values for all muscles in grinding conditions compared to the Non-Bruxism group. Significant differences in left transverse abdominal thickness were found between groups in resting condition. Further analysis using linear regression indicated that both Bruxism (t = -2.03, p = 0.049) and BMI (t = 3.13, p = 0.003) were significantly associated with muscle thickness, with BMI acting as a confounding factor. Age was not a significant predictor (p = 0.506), suggesting its limited role in this context.<h4>Conclusion</h4>The results of this study support the existence of an association between bruxism and the abdominal wall muscles structure and activation. This emphasizes the importance of considering bruxism in the evaluation of abdominal muscle function.https://doi.org/10.1371/journal.pone.0317316
spellingShingle Paula Yela-Lorenzo
Paola Montes-Arenas
Vanesa Abuín-Porras
Ángel González-de-la-Flor
Laura González-Fernández
Jorge Hugo Villafañe
Isabel Mínguez-Esteban
Bruxism repercussions in muscular activation: Ultrasound differences in abdominal wall between women with and without bruxism. A cross-sectional study.
PLoS ONE
title Bruxism repercussions in muscular activation: Ultrasound differences in abdominal wall between women with and without bruxism. A cross-sectional study.
title_full Bruxism repercussions in muscular activation: Ultrasound differences in abdominal wall between women with and without bruxism. A cross-sectional study.
title_fullStr Bruxism repercussions in muscular activation: Ultrasound differences in abdominal wall between women with and without bruxism. A cross-sectional study.
title_full_unstemmed Bruxism repercussions in muscular activation: Ultrasound differences in abdominal wall between women with and without bruxism. A cross-sectional study.
title_short Bruxism repercussions in muscular activation: Ultrasound differences in abdominal wall between women with and without bruxism. A cross-sectional study.
title_sort bruxism repercussions in muscular activation ultrasound differences in abdominal wall between women with and without bruxism a cross sectional study
url https://doi.org/10.1371/journal.pone.0317316
work_keys_str_mv AT paulayelalorenzo bruxismrepercussionsinmuscularactivationultrasounddifferencesinabdominalwallbetweenwomenwithandwithoutbruxismacrosssectionalstudy
AT paolamontesarenas bruxismrepercussionsinmuscularactivationultrasounddifferencesinabdominalwallbetweenwomenwithandwithoutbruxismacrosssectionalstudy
AT vanesaabuinporras bruxismrepercussionsinmuscularactivationultrasounddifferencesinabdominalwallbetweenwomenwithandwithoutbruxismacrosssectionalstudy
AT angelgonzalezdelaflor bruxismrepercussionsinmuscularactivationultrasounddifferencesinabdominalwallbetweenwomenwithandwithoutbruxismacrosssectionalstudy
AT lauragonzalezfernandez bruxismrepercussionsinmuscularactivationultrasounddifferencesinabdominalwallbetweenwomenwithandwithoutbruxismacrosssectionalstudy
AT jorgehugovillafane bruxismrepercussionsinmuscularactivationultrasounddifferencesinabdominalwallbetweenwomenwithandwithoutbruxismacrosssectionalstudy
AT isabelminguezesteban bruxismrepercussionsinmuscularactivationultrasounddifferencesinabdominalwallbetweenwomenwithandwithoutbruxismacrosssectionalstudy