Coherence of jaw and neck muscle activity during sleep bruxism.

Bruxism Cross-Sectional Studies Electromyography Humans Masseter Muscle Masticatory Muscles Neck Muscles Sleep Sleep Bruxism
bruxism central nervous system electromyography masticatory muscles polysomnography

Journal

Journal of oral rehabilitation
ISSN: 1365-2842
Titre abrégé: J Oral Rehabil
Pays: England
ID NLM: 0433604

Informations de publication

Date de publication:
Apr 2020
Historique:
received: 23 05 2019
revised: 05 12 2019
accepted: 31 12 2019
pubmed: 12 1 2020
medline: 13 3 2020
entrez: 12 1 2020
Statut: ppublish

Résumé

Studies have shown co-contraction of jaw and neck muscles in healthy subjects during (sub) maximum voluntary jaw clenching, indicating functional inter-relation between these muscles during awake bruxism. So far, coherence of jaw and neck muscles has not been evaluated during either awake or sleep bruxism. The objective of this study was to evaluate the coherence between jaw and neck muscle activity during sleep bruxism. In a cross-sectional observational design, the electromyographic activity of jaw (masseter, temporalis) and neck (sternocleidomastoid, trapezius) muscles in individuals with "definite" sleep bruxism was measured using ambulatory polysomnography (PSG). Coherence for masseter-temporalis, masseter-sternocleidomastoid and masseter-trapezius was measured during phasic and mixed rhythmic masticatory muscle activity episodes using coherence-analysing software. Outcome measures were as follows: presence or absence of significant coherence per episode (in percentages), frequency of peak coherence (FPC) per episode and sleep stage. A total of 632 episodes within 16 PSGs of eight individuals were analysed. Significant coherence was found between the jaw and neck muscles in 84.9% of the episodes. FPCs of masseter-temporalis were significantly positively correlated with those of masseter-sternocleidomastoid or masseter-trapezius (P < .001). Sleep stages did not significantly influence coherence of these muscular couples. During sleep bruxism, jaw and neck muscle activation is significantly coherent. Coherence occurs independently of sleep stage. These results support the hypothesis of bruxism being a centrally regulated phenomenon.

Sections du résumé

BACKGROUND BACKGROUND
Studies have shown co-contraction of jaw and neck muscles in healthy subjects during (sub) maximum voluntary jaw clenching, indicating functional inter-relation between these muscles during awake bruxism. So far, coherence of jaw and neck muscles has not been evaluated during either awake or sleep bruxism.
OBJECTIVE OBJECTIVE
The objective of this study was to evaluate the coherence between jaw and neck muscle activity during sleep bruxism.
METHODS METHODS
In a cross-sectional observational design, the electromyographic activity of jaw (masseter, temporalis) and neck (sternocleidomastoid, trapezius) muscles in individuals with "definite" sleep bruxism was measured using ambulatory polysomnography (PSG). Coherence for masseter-temporalis, masseter-sternocleidomastoid and masseter-trapezius was measured during phasic and mixed rhythmic masticatory muscle activity episodes using coherence-analysing software. Outcome measures were as follows: presence or absence of significant coherence per episode (in percentages), frequency of peak coherence (FPC) per episode and sleep stage.
RESULTS RESULTS
A total of 632 episodes within 16 PSGs of eight individuals were analysed. Significant coherence was found between the jaw and neck muscles in 84.9% of the episodes. FPCs of masseter-temporalis were significantly positively correlated with those of masseter-sternocleidomastoid or masseter-trapezius (P < .001). Sleep stages did not significantly influence coherence of these muscular couples.
CONCLUSION CONCLUSIONS
During sleep bruxism, jaw and neck muscle activation is significantly coherent. Coherence occurs independently of sleep stage. These results support the hypothesis of bruxism being a centrally regulated phenomenon.

Identifiants

DOI: 10.1111/joor.12932 PMID: 31926031 PMC: PMC7079051
pubmed: 31926031
doi: 10.1111/joor.12932
pmc: PMC7079051
doi:

Types de publication

Journal Article Observational Study

Langues

eng

Sous-ensembles de citation

IM

Pagination

432-440

Informations de copyright

© 2020 The Authors. Journal of Oral Rehabilitation published by John Wiley & Sons Ltd.

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Auteurs

Simone Gouw (S)

Department of Oral Function and Prosthetic Dentistry, College of Dental Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.
Academic Institute, Utrecht, The Netherlands.
ORCID: 0000-0002-7873-7673

Angela Frowein (A)

Department of Oral Function and Prosthetic Dentistry, College of Dental Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.

Carlijn Braem (C)

Department of Neurology, Radboud University Medical Center, Nijmegen, The Netherlands.
Technical Medicine, University of Twente, Enschede, The Netherlands.

Anton de Wijer (A)

Department of Oral Function and Prosthetic Dentistry, College of Dental Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.
Academic Institute, Utrecht, The Netherlands.

Nico H J Creugers (NHJ)

Department of Oral Function and Prosthetic Dentistry, College of Dental Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.

Jaco W Pasman (JW)

Department of Neurology, Radboud University Medical Center, Nijmegen, The Netherlands.

Jonne Doorduin (J)

Department of Neurology, Radboud University Medical Center, Nijmegen, The Netherlands.

Stanimira I Kalaykova (SI)

Department of Oral Function and Prosthetic Dentistry, College of Dental Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.

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Classifications MeSH

questionsmedicales.fr › Comportement et mécanismes comportementaux › Émotions › Détresse psychologique › Bruxisme › Coherence of jaw and neck muscle activity...
questionsmedicales.fr › Environnement et santé publique › Santé publique › Méthodes épidémiologiques › Caractéristiques des études épidémiologiques › Études épidémiologiques › Études transversales › Coherence of jaw and neck muscle activity...
questionsmedicales.fr › Diagnostic › Techniques et procédures diagnostiques › Myographie › Électromyographie › Coherence of jaw and neck muscle activity...
questionsmedicales.fr › Eucaryotes › Animaux › Chordés › Vertébrés › Mammifères › Eutheria › Primates › Haplorhini › Catarrhini › Hominidae › Humains › Coherence of jaw and neck muscle activity...
questionsmedicales.fr › Système stomatognathique › Muscles masticateurs › Muscle masséter › Coherence of jaw and neck muscle activity...
questionsmedicales.fr › Système stomatognathique › Muscles masticateurs › Coherence of jaw and neck muscle activity...
questionsmedicales.fr › Appareil locomoteur › Muscles du cou › Coherence of jaw and neck muscle activity...
questionsmedicales.fr › Phénomènes physiologiques de l'appareil locomoteur et du système nerveux › Phénomènes physiologiques du système nerveux › Sommeil › Coherence of jaw and neck muscle activity...
questionsmedicales.fr › Troubles mentaux › Troubles de la veille et du sommeil › Parasomnies › Bruxisme du sommeil › Coherence of jaw and neck muscle activity...