2020. Molar Incisor Hypomineralization (MIH) prevalence in children between 9-12 years old in children between 9-12 years of age belonging to two schools in Quito, Ecuador; between February and March 2018. OdontoInvestigación. 6, 1 (Feb. 2020), 46–57. DOI:https://doi.org/10.18272/oi.v6i1.1627.