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How the anterior, middle and posterior portions of the temporalis muscle work during mastication
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Keywords

Electromyography
Mastication
Temporal muscle

How to Cite

1.
Nagae M, Bérzin F, Alves MC, Bérzin M da GR. How the anterior, middle and posterior portions of the temporalis muscle work during mastication. Braz. J. Oral Sci. [Internet]. 2015 Nov. 9 [cited 2023 Mar. 24];10(3):213-6. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8641635

Abstract

Aim: The aim of this study was to investigate mean electrical activity and how the anterior, middle, and posterior portions of the temporalis muscle work during mastication. Methods: The sample consisted of 16 healthy male college freshmen trichotomized, aged between 18 and 25 years, with Angle’s Class I and no temporomandibular disorders. Electromyographic (EMG) recordings were made in anterior, middle and posterior portions of the temporalis muscle during mastication for 5 s. Results: It was found a significantly lower RMS value in the posterior portion (RMS: 1243.92) compared with those of the anterior (RMS: 2149.77) and middle (RMS: 2531.38) portions. Conclusions: There is an association between the portions of the temporalis muscle. It was found a significantly lower RMS value in the posterior portion showing that the anterior and middle portions of the muscle have a predominant function of maintaining movement during mastication.
https://doi.org/10.20396/bjos.v10i3.8641635
PDF (Português (Brasil))

The Brazilian Journal of Oral Sciences uses the Creative Commons license (CC), thus preserving the integrity of the articles in an open access environment.

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