Montilla-Puente, V.B., Martínez-Morales, M.V. and Tomich-Biber, D. 2020. Optimization approach for the mesialization of lower molars: a case report. Revista Facultad de Odontología Universidad de Antioquia. 32, 1 (Aug. 2020), 89–103. DOI:https://doi.org/10.17533/udea.rfo.v32n1a9.