Al-Hammad, N.S., Al-Dhubaiban, M., Alhowaish, L. and Bello, L.L. 2018. Prevalence and Clinical Characteristics of Molar-Incisor-Hypomineralization in School Children in Riyadh, Saudi Arabia. International Journal of Medical Science and Clinical Invention. 5, 3 (Mar. 2018), 3570–3576. DOI:https://doi.org/10.18535/ijmsci/v5i3.01.