Evidence of measures of normalcy for thickness of masseter muscle evaluated with ultrasound: a review study/ Evidencias de medidas de normalidade para a espessura do musculo masseter avaliadas com ultrassonografia: estudo de revisao

The objective was to study measures of normality for the thickness of the masseter muscle, and the methods of measurement of thickness using ultrasound. Was conducted a review from databases MEDLINE, LILACS, JCR and PubMed. Publications were used until June 2013. Works that involved young-adults ind...

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Published in:Revista CEFAC 2015-01, Vol.17 (1), p.238
Main Authors: de Oliveira, Jabson Herber Profiro, Filho, Mario Genuino Dourado, Melo, Thais Myriam Aragao, de Lima, Niedje Siqueira, Filho, Milton Marcelino, da Silva, Hilton Justino
Format: Article
Language:Spanish
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Summary:The objective was to study measures of normality for the thickness of the masseter muscle, and the methods of measurement of thickness using ultrasound. Was conducted a review from databases MEDLINE, LILACS, JCR and PubMed. Publications were used until June 2013. Works that involved young-adults individuals, healthy as the stomatognathic system--without the presence of signs and symptoms of temporomandibular joint disorders were included. 166 articles has been found. By reading the titles, repeated articles were excluded, remaining 108 studies. After reading the title and the exclusion of articles that were not related to the theme, 54 papers were obtained. Reading the abstracts allowed the acquisition of 22 studies. In the analysis of the measures t tests were used for paired-sample and independent, verified the confidence intervals and prepared forest plot graphics to study the heterogeneity of the studies. It was observed that the masseter muscle in males demonstrates to be thicker when compared to the women's, both at rest and in contraction. A comparison of resting state between the genders revealed no significant difference. The same occurred in the contraction. Also was verified the association of other methods with ultrasonography. The probability sample obtained revealed values for the state of contraction and rest in both sexes. Measurements demonstrated differences between the genders. Significant heterogeneity was found in the study's data. The measurement of the thickness of the masseter muscle with ultrasonography is presented in different studies as an objective method, precise and reproducible. KEYWORDS: Masseter Muscle; Muscle Contraction; Morphology; Ultrasonography; Stomatognathic System O objetivo foi estudar medidas de normalidade para espessura do musculo masseter, bem como os metodos de mensuracao da espessura por ultrassonografia. Foi realizada uma revisao a partir das bases de dados MEDLINE, LILACS, JCR e PubMed. Foram utilizadas publicacoes ate junho de 2013. Foram incluidos trabalhos que envolveram individuos adultos jovens considerados higidos quanto ao sistema estomatognatico--sem a presenca de sinais e sintomas de disturbios na articulacao temporomandibular. Foram encontrados 166 artigos. Pela leitura do titulo foram excluidos os artigos repetidos, restando 108 estudos. Apos a leitura do titulo e a exclusao de artigos que nao estavam relacionados ao assunto, foram obtidos 54 trabalhos. A leitura dos resumos permitiu a obtencao
ISSN:1516-1846
1982-0216
DOI:10.1590/1982-021620150514