Franco-Aguirre, J. Q. and Díaz-Garavito, M. V. (2021) “Affectation of the first permanent molar and effect of an educational strategy in an educational institution in the city of Medellin: 2016-2019”, Revista Facultad de Odontología Universidad de Antioquia, 33(1), pp. 83–95. doi: 10.17533/udea.rfo.v33n1a7.