Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyography
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://www.bibliotecadigital.unicamp.br/document/?code=43908&opt=4 http://hdl.handle.net/11449/71911 |
Resumo: | The use of low-level laser (LLL) may be an useful tool to promote reduction of muscular pain caused by TMD. Aim: This study evaluated the immediate efficacy of low-level laser therapy on women reporting pain and diagnosed with temporomandibular dysfunction (TMD). Methods: Diode laser (GaAlAs) at 790 nm wavelength (infrared spectrum) was applied as experimental treatment. Irradiations of 1.5 J/cm2 were made at 4 points of the temporomandibular joint (TMJ) and of 3 J/cm2 at 3 points in the temporal muscle. An electromyographic (EMG) evaluation of the masseter and anterior temporal was done at the following intervals: before, immediately after, 5 min and 20 min after laser application. Results: Comparison of the electrical activity at the times of measurement revealed a statistically significant difference in masseter muscles before (P=0.025) and immediately after (P=0.013) LLLT. Conclusions: Both masseter and temporal muscles showed a reduction in the measured EMG activities at all times after LLLT, and the temporal muscle showed higher EMG activity than the masseter muscle at all the evaluation times. LLLT caused significant immediate relaxation of the masseter muscles. |
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Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyographyElectromyographyLow-level laserTemporomandibular dysfunctionThe use of low-level laser (LLL) may be an useful tool to promote reduction of muscular pain caused by TMD. Aim: This study evaluated the immediate efficacy of low-level laser therapy on women reporting pain and diagnosed with temporomandibular dysfunction (TMD). Methods: Diode laser (GaAlAs) at 790 nm wavelength (infrared spectrum) was applied as experimental treatment. Irradiations of 1.5 J/cm2 were made at 4 points of the temporomandibular joint (TMJ) and of 3 J/cm2 at 3 points in the temporal muscle. An electromyographic (EMG) evaluation of the masseter and anterior temporal was done at the following intervals: before, immediately after, 5 min and 20 min after laser application. Results: Comparison of the electrical activity at the times of measurement revealed a statistically significant difference in masseter muscles before (P=0.025) and immediately after (P=0.013) LLLT. Conclusions: Both masseter and temporal muscles showed a reduction in the measured EMG activities at all times after LLLT, and the temporal muscle showed higher EMG activity than the masseter muscle at all the evaluation times. LLLT caused significant immediate relaxation of the masseter muscles.Dental Laser Center Institute for Research and Development Universidade do Vale do Paraíba, São José dos Campos, SPSchool of Dentistry University of Vale do Paraíba, São José dos Campos, SPDepartment of Prosthodontics and Periodontics Piracicaba Dental School State University of Campinas, Piracicaba, SPDentistry Department University of Taubaté, Taubaté, SPSão José dos Campos School of Dentistry São Paulo State University-UNESP, São José dos Campos, SPSão José dos Campos School of Dentistry São Paulo State University-UNESP, São José dos Campos, SPUniversidade do Vale do ParaíbaUniversity of Vale do ParaíbaUniversidade Estadual de Campinas (UNICAMP)University of TaubatéUniversidade Estadual Paulista (Unesp)Shinozaki, Ewerson Bertolinidos Santos, Mateus Bertolini FernandesOkazaki, Luiz KioakiMarchini, Leonardo [UNESP]Brugnera Junior, Aldo2014-05-27T11:24:49Z2014-05-27T11:24:49Z2010-10-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article434-438application/pdfhttp://www.bibliotecadigital.unicamp.br/document/?code=43908&opt=4Brazilian Journal of Oral Sciences, v. 9, n. 4, p. 434-438, 2010.1677-32171677-3225http://hdl.handle.net/11449/719112-s2.0-786506320622-s2.0-78650632062.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBrazilian Journal of Oral Sciences0,131info:eu-repo/semantics/openAccess2023-10-21T06:12:19Zoai:repositorio.unesp.br:11449/71911Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T15:33:50.772985Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyography |
title |
Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyography |
spellingShingle |
Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyography Shinozaki, Ewerson Bertolini Electromyography Low-level laser Temporomandibular dysfunction |
title_short |
Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyography |
title_full |
Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyography |
title_fullStr |
Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyography |
title_full_unstemmed |
Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyography |
title_sort |
Clinical assessment of the efficacy of low-level laser therapy on muscle pain in women with temporomandibular dysfunction, by surface electromyography |
author |
Shinozaki, Ewerson Bertolini |
author_facet |
Shinozaki, Ewerson Bertolini dos Santos, Mateus Bertolini Fernandes Okazaki, Luiz Kioaki Marchini, Leonardo [UNESP] Brugnera Junior, Aldo |
author_role |
author |
author2 |
dos Santos, Mateus Bertolini Fernandes Okazaki, Luiz Kioaki Marchini, Leonardo [UNESP] Brugnera Junior, Aldo |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade do Vale do Paraíba University of Vale do Paraíba Universidade Estadual de Campinas (UNICAMP) University of Taubaté Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Shinozaki, Ewerson Bertolini dos Santos, Mateus Bertolini Fernandes Okazaki, Luiz Kioaki Marchini, Leonardo [UNESP] Brugnera Junior, Aldo |
dc.subject.por.fl_str_mv |
Electromyography Low-level laser Temporomandibular dysfunction |
topic |
Electromyography Low-level laser Temporomandibular dysfunction |
description |
The use of low-level laser (LLL) may be an useful tool to promote reduction of muscular pain caused by TMD. Aim: This study evaluated the immediate efficacy of low-level laser therapy on women reporting pain and diagnosed with temporomandibular dysfunction (TMD). Methods: Diode laser (GaAlAs) at 790 nm wavelength (infrared spectrum) was applied as experimental treatment. Irradiations of 1.5 J/cm2 were made at 4 points of the temporomandibular joint (TMJ) and of 3 J/cm2 at 3 points in the temporal muscle. An electromyographic (EMG) evaluation of the masseter and anterior temporal was done at the following intervals: before, immediately after, 5 min and 20 min after laser application. Results: Comparison of the electrical activity at the times of measurement revealed a statistically significant difference in masseter muscles before (P=0.025) and immediately after (P=0.013) LLLT. Conclusions: Both masseter and temporal muscles showed a reduction in the measured EMG activities at all times after LLLT, and the temporal muscle showed higher EMG activity than the masseter muscle at all the evaluation times. LLLT caused significant immediate relaxation of the masseter muscles. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-10-01 2014-05-27T11:24:49Z 2014-05-27T11:24:49Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.bibliotecadigital.unicamp.br/document/?code=43908&opt=4 Brazilian Journal of Oral Sciences, v. 9, n. 4, p. 434-438, 2010. 1677-3217 1677-3225 http://hdl.handle.net/11449/71911 2-s2.0-78650632062 2-s2.0-78650632062.pdf |
url |
http://www.bibliotecadigital.unicamp.br/document/?code=43908&opt=4 http://hdl.handle.net/11449/71911 |
identifier_str_mv |
Brazilian Journal of Oral Sciences, v. 9, n. 4, p. 434-438, 2010. 1677-3217 1677-3225 2-s2.0-78650632062 2-s2.0-78650632062.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Brazilian Journal of Oral Sciences 0,131 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
434-438 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128533038366720 |