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Effects of Chewing Training on Orofacial and Cognitive Function in Healthy Individuals: A Systematic Review

Faculty of Physical Education and Dance, Federal University of Goiás, Goiânia 74690-900, Brazil
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Cosmetics 2020, 7(2), 23; https://doi.org/10.3390/cosmetics7020023
Received: 6 February 2020 / Revised: 1 April 2020 / Accepted: 3 April 2020 / Published: 6 April 2020
Background: There is some evidence showing significant correlations between acute chewing gum and orofacial function, and between acute chewing gum and cognitive function; however, as far as we are aware, little is known about the chronic effects of chewing gum training on cognitive and orofacial functions in healthy adults. Objectives: To evaluate the chronic effects of chewing gum training on orofacial and cognitive functions in healthy adults. Method: Searches of the electronic databases PubMed, Scopus, BVS, CENTRAL, Scopus, and Google Scholar were conducted from inception to 14 January 2020. The inclusion criteria used were: clinical trial or randomized controlled trial lasting a minimum of four weeks, chewing gum intervention in at least one arm of the study, presence of a non-exercise control group, study population consisting of healthy adults, study outcomes consisting of orofacial function and/or cognitive function. Results: Starting from 5973 sources, a total of six articles met the inclusion criteria, and they were subjected to a systematic review. The main findings were that chewing gum training improved some variables related to orofacial function. No clear effect of chewing gum training on cognitive function was found. Conclusions: Chronic chewing gum training has an unclear positive effect on specific variables related to orofacial and cognitive function in healthy adults. View Full-Text
Keywords: gum chewing training; brain; tongue strength; cognition gum chewing training; brain; tongue strength; cognition
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Viana, R.B.; da Silva, W.F.; de Lira, C.A. Effects of Chewing Training on Orofacial and Cognitive Function in Healthy Individuals: A Systematic Review. Cosmetics 2020, 7, 23.

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