Behavior analysis of electromyographic activity of the masseter muscle in sleep bruxers
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Data
2010-07-01
Autores
Amorim, César Ferreira [UNESP]
Giannasi, Lilian Chrystiane
Ferreira, Luciano Maia Alves
Magini, Márcio
Oliveira, Claudia S.
de Oliveira, Luis Vicente Franco
Hirata, Tamotsu [UNESP]
Politti, Fabiano
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Resumo
The effects of occlusal splint on the electric activity of masseter were studied in 15 women who presented sleep bruxism using surface electromyography. Sleep bruxism was defined by its clinical characteristics. The signal acquisition was done during mandible occlusion without clenching and maximum voluntary contraction in two situations. The first was after a workday without using the occlusal splint; and the second, after a sleeping night using occlusal splints. Evaluating masseter muscles during mandible occlusion without clenching, it could be observed that lower values were noticed after splint wearing in both sides. The same results were verified in maximum voluntary contraction (MVC). These results confirmed that the use of occlusal splints reduced the electromyographic activity of the right and left masseters, showing its myorelaxing effect. © 2009 Elsevier Ltd. All rights reserved.
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Electromyography, Masseter muscle, Sleep bruxism, adult, behavioral science, bruxism, clinical article, dental equipment, electric activity, electromyography, female, human, mandible, masseter muscle, muscle contraction, muscle relaxation, night sleep, occlusion, signal transduction, voluntary movement, working time, Adaptation, Psychological, Adult, Female, Humans, Mandible, Masseter Muscle, Muscle Contraction, Muscle, Skeletal, Occlusal Splints, Sleep Bruxism, Sleep Disorders, Statistics as Topic, Stress, Psychological
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Journal of Bodywork and Movement Therapies, v. 14, n. 3, p. 234-238, 2010.