L. Moraga-Aros, J. Aubert-Valderrama, A. Correa-Ramirez, and M. Monsalves-Villalobos, “Oral health situation of Chilean preschool children in the years 2007-2015: systematic review and analysis at individual level.”, JOR, vol. 11, no. 2, pp. 1-21, Apr. 2022.