“ Oral Myofunctional and Electromyographic Evaluation of the Orbicularis Oris and Mentalis Muscles in Patients With Class II 1 Malocclusion Submitted to First Premolar Extraction ”. 2008. Journal of Applied Oral Science 16 (3): 226-31. https://doi.org/10.1590/S1678-77572008000300012.