Acknowledgement
We thank the Laboratory of Research in Electromyography of the Stomatognathic System (LAPESE) of the USP - School of Dentistry Ribeirao Preto and the Laboratory of Interdisciplinary Law-Chemistry (LEI-DQ) of USP - School of Philosophy, Sciences and Letters of Ribeirao Preto for their valuable contributions to this paper. We also thank Cynthia Maria de Campos Prado Manso for language editing and proofreading.
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