Pérez, M.A., Neira, Álvaro, Alfaro, J., Aguilera, J., Alvear, P. and Fierro-Monti, C. 2014. Orthodontic treatment needs according to the dental aesthetic index in 12-year-old adolescents, Chile. Revista Facultad de Odontología Universidad de Antioquia. 26, 1 (Jul. 2014), 33–43. DOI:https://doi.org/10.17533/udea.rfo.15437.