The Prevalence and Extent of Molar-Incisor Hypo-Mineralization by Gender in a Group of Iranian Children

Abstract

Molar-Incisor Hypo-mineralization (MIH) is de- fined as dysplasia of enamel structure caused by defects in ameloblasts during early developmental stages. Clinically, defect in enamel translucency is interpreted as demarcated opacity of white, cream, yellow or brown colors (1, 2). Toothache, increased sensitivity, malformation, increased susceptibility to plaque accumulation are consid- ered as complications of MIH (3, 4). The defini- tive cause of molar-incisor hypoplasia is un- known, but it can be related to various environ- mental factors associated with systemic condi- tions (1, 5). We aimed to determine the prevalence of MIH by gender in 7-11-year-old children in the city of Yazd, Iran