Pujarern, P. ., P. . Rodanant, E. . Warinsiriruk, and K. . Rattanasuwan. “Evaluation of the Optimum Brushing Force on Dental Plaque Removal: An in Vitro Study”. Mahidol Dental Journal, vol. 41, no. 1, Apr. 2021, pp. 75-82, https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/247466.