Electromyographic activity of masseter and temporal muscles with different facial types

Detalhes bibliográficos
Autor(a) principal: Vianna Lara, Michelle Santos
Data de Publicação: 2009
Outros Autores: Caria, Paulo Henrique Ferreira, Tosello, Darcy de Oliveira, Lara, Flávio, Amorim, Maise Mendonça
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://repositorio.ufba.br/ri/handle/ri/13342
Resumo: p. 515-520
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spelling Vianna Lara, Michelle SantosCaria, Paulo Henrique FerreiraTosello, Darcy de OliveiraLara, FlávioAmorim, Maise MendonçaVianna Lara, Michelle SantosCaria, Paulo Henrique FerreiraTosello, Darcy de OliveiraLara, FlávioAmorim, Maise Mendonça2013-10-30T17:54:04Z2013-10-30T17:54:04Z20090003-3219http://repositorio.ufba.br/ri/handle/ri/13342v. 79, n. 3p. 515-520Objectives: To compare the electromyographic (EMG) activity of the masseter and anterior portion of temporal muscles in different vertical facial types. Materials and Methods: Clinical examination, cephalometric analysis, and electromyographic examination were performed in 44 volunteers ranging from 18 to 35 years old. The volunteers were classified on the basis of their vertical facial characteristics into three groups—brachyfacial, mesofacial, and dolicofacial—by the grouping analysis. The EMG records were obtained with three repetitions during mandibular rest, maximum voluntary contraction in intercuspidation, and simultaneous bilateral isotonic contraction. The Kolmogorov-Smirnov and Levene tests were applied to verify the normality and homogeneity of variance. Analysis of variance and the Kruskal-Wallis test identified statistical differences among groups that did not present normality and homogeneity of distribution, respectively. Significance for all statistical tests was set at P < .05. Results: At rest, only the right temporal and masseter muscles presented statistically significant differences among the groups. The differences were observed between groups 1 and 2 (P = .02) and 1 and 3 (P = .038) for the right temporal muscle, and between groups 1 and 2 (P = .029) for the right masseter muscle. Generally, group 1 presented the lowest EMG values for the four muscles evaluated during rest. For isotonic evaluation, none of the groups of muscles presented statistically significant differences. Conclusion: Different vertical facial types do not determine distinct patterns of EMG activity for the masseter and anterior portion of temporal muscles during rest and bilateral mastication.Submitted by Suelen Reis (suziy.ellen@gmail.com) on 2013-10-11T12:54:51Z No. of bitstreams: 1 012308-41%2E1.pdf: 52945 bytes, checksum: 8539540f42f4b5360365ea382a960624 (MD5)Approved for entry into archive by Rodrigo Meirelles (rodrigomei@ufba.br) on 2013-10-30T17:54:04Z (GMT) No. of bitstreams: 1 012308-41%2E1.pdf: 52945 bytes, checksum: 8539540f42f4b5360365ea382a960624 (MD5)Made available in DSpace on 2013-10-30T17:54:04Z (GMT). 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dc.title.pt_BR.fl_str_mv Electromyographic activity of masseter and temporal muscles with different facial types
dc.title.alternative.pt_BR.fl_str_mv Angle Orthodontist
title Electromyographic activity of masseter and temporal muscles with different facial types
spellingShingle Electromyographic activity of masseter and temporal muscles with different facial types
Vianna Lara, Michelle Santos
Electromyography
Masseter muscle
Temporal muscle
Morphology
title_short Electromyographic activity of masseter and temporal muscles with different facial types
title_full Electromyographic activity of masseter and temporal muscles with different facial types
title_fullStr Electromyographic activity of masseter and temporal muscles with different facial types
title_full_unstemmed Electromyographic activity of masseter and temporal muscles with different facial types
title_sort Electromyographic activity of masseter and temporal muscles with different facial types
author Vianna Lara, Michelle Santos
author_facet Vianna Lara, Michelle Santos
Caria, Paulo Henrique Ferreira
Tosello, Darcy de Oliveira
Lara, Flávio
Amorim, Maise Mendonça
author_role author
author2 Caria, Paulo Henrique Ferreira
Tosello, Darcy de Oliveira
Lara, Flávio
Amorim, Maise Mendonça
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Vianna Lara, Michelle Santos
Caria, Paulo Henrique Ferreira
Tosello, Darcy de Oliveira
Lara, Flávio
Amorim, Maise Mendonça
Vianna Lara, Michelle Santos
Caria, Paulo Henrique Ferreira
Tosello, Darcy de Oliveira
Lara, Flávio
Amorim, Maise Mendonça
dc.subject.por.fl_str_mv Electromyography
Masseter muscle
Temporal muscle
Morphology
topic Electromyography
Masseter muscle
Temporal muscle
Morphology
description p. 515-520
publishDate 2009
dc.date.issued.fl_str_mv 2009
dc.date.accessioned.fl_str_mv 2013-10-30T17:54:04Z
dc.date.available.fl_str_mv 2013-10-30T17:54:04Z
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://repositorio.ufba.br/ri/handle/ri/13342
dc.identifier.issn.none.fl_str_mv 0003-3219
dc.identifier.number.pt_BR.fl_str_mv v. 79, n. 3
identifier_str_mv 0003-3219
v. 79, n. 3
url http://repositorio.ufba.br/ri/handle/ri/13342
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.2319/012308-41.1
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
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instname_str Universidade Federal da Bahia (UFBA)
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reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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