Functional interaction of chewing muscles in children with dentoalveolar system anomalies

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Abstract


Relevance. The focus of modern dental treatment not only on the elimination of aesthetic, but also functional disorders requires an understanding of the functional conjugation of the chewing muscles, the possibility of interprognosis of parameters. Objective. Assess the functional relationship between the tone of the chewing muscles proper and the bioelectric activity of the temporal and sublingual muscle groups in children with anomalies of the dentoalveolar system. Materials and Methods. The study involved 36 patients of Children’s Clinical Dental Clinic No. 2 of Voronezh, aged 6 to 12 years, who had not previously received orthodontic treatment and had distal occlusion anomalies. Evaluation of the bioelectric activity of temporal and sublingual muscles was carried out using surface electromyography on the Electromyograph Dental apparatus (Taganrog, Russia), the Chewing General sample. Evaluation of the tone of the chewing muscles proper was carried out using the Mioton-3C device in a state of physiological rest of the lower jaw. Statistical processing was carried out using Microsoft Excel, version 7.0 and the statistical programs SPSS Statistics 21 and STATISTICA 7. Results and Discussion. Correlation analysis revealed the presence of 4 weak positive, 2 weak negative, 14 moderate positive, 3 moderate negative, and 1 noticeable positive correlation between the tone of the right chewing muscle proper and the parameters of the bioelectric activity of the right and left temporal and sublingual muscles. Correlation analysis revealed the presence of 5 weak positive, 7 weak negative, 9 moderate negative correlations between the tone of the left chewing muscle proper and the parameters of bioelectric activity of the right and left temporal and sublingual muscles. Conclusion. A greater effect of the tone of the right chewing muscle on the bioelectric activity of temporal and sublingual muscles was found compared to the tone of the left chewing muscle itself. 27 equations have been derived that can be used as predictive models for calculating the tone of right and left chewing muscles proper depending on the indicators of bioelectric activity of temporal and sublingual muscles.


About the authors

I. V. Kosolapova

Voronezh State Medical University

Author for correspondence.
Email: irenecherry@yandex.ru
ORCID iD: 0000-0002-9779-7882
Voronezh, Russian Federation

E. V. Dorokhov

Voronezh State Medical University

Email: irenecherry@yandex.ru
ORCID iD: 0000-0002-2096-411X
Voronezh, Russian Federation

M. E. Kovalenko

Voronezh State Medical University

Email: irenecherry@yandex.ru
ORCID iD: 0000-0001-8841-5574
Voronezh, Russian Federation

R. V. Lesnikov

Budget Healthcare Institution of Voronezh region «Children’s Dental Clinic № 2»

Email: irenecherry@yandex.ru
ORCID iD: 0000-0002-8296-107X
Voronezh, Russian Federation

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Copyright (c) 2021 Kosolapova I.V., Dorokhov E.V., Kovalenko M.E., Lesnikov R.V.

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