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Analysis of masticatory efficiency by electromyographic activity of masticatory muscles after surgical treatment of zygomatic-orbital complex fractures

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international journal of stomatology & occlusion medicine

Abstract

Fractures of the zygomatic-orbital complex are related to oral and maxillofacial trauma and lead to important disorders that affect an individual from a functional and aesthetic point of view. The aim of this study was to perform a medium-term evaluation of the masticatory efficiency following the surgical reconstruction of generated fractures of masseter and temporal muscles using EMG analysis. The non-habitual electromyographic records of masseter and temporal muscles of 15 male subjects were examined for 16 weeks after surgical reconstruction of the zygomatic-orbital complex, which was achieved using the intraoral access technique and rigid internal fixation of the zygomatic-maxillary pillar. The resulting electromyographic data were evaluated using SPSS 19.0 software for Windows. At a 5 % significance level (p < 0.05) there was a significant difference in the efficiency of masticatory cycles over a period of 16 weeks. The reconstruction of the zygomatic-orbital complex via surgical treatment improved the masticatory efficiency of individuals.

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The authors declare that there are no actual or potential conflicts of interest in relation to this article.

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Authors and Affiliations

  1. Department of Oral and Maxillofacial Surgery and Periodontology, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil

    André Oliveira Pepato, Michel Campos Ribeiro, Cássio Edvard Sverzut & Alexandre Elias Trivellato

  2. Department of Restorative Dentistry, School of Dentistry, University of São Paulo (USP), Avenida do Café, s/n, Bairro–Monte Alegre, 14040–904, Ribeirão Preto, São Paulo, Brazil

    Marcelo Palinkas

  3. Department of Morphology, Physiology and Basic Pathology, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil

    Simone Cecilio Hallak Regalo, Tatiana Adamov Semeghini Souza, Selma Siéssere & Luiz Gustavo de Sousa

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  1. André Oliveira Pepato
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  2. Marcelo Palinkas
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  3. Simone Cecilio Hallak Regalo
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  4. Michel Campos Ribeiro
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  7. Luiz Gustavo de Sousa
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  8. Cássio Edvard Sverzut
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  9. Alexandre Elias Trivellato
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Correspondence to Marcelo Palinkas.

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Pepato, A., Palinkas, M., Regalo, S. et al. Analysis of masticatory efficiency by electromyographic activity of masticatory muscles after surgical treatment of zygomatic-orbital complex fractures. J. Stomat. Occ. Med. 6, 85–90 (2013). https://doi.org/10.1007/s12548-013-0078-7

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  • DOI: https://doi.org/10.1007/s12548-013-0078-7

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