Acosta-Andrade, A., David-Solórzano, J., Pico-Sornoza, A., Sinchiguano-Quinto, K. and Zambrano-Torres, J. 2021. Correct tooth brushing in children: Investigation article. GESTAR Arbitrated Scientific Journal in Health Research. ISSN: 2737-6273. 4, 7 (Jan. 2021), 2-22.