First Permanent Molars and Permanent Incisors Teeth by Tooth Prevalence of Molar–Incisor–Hypomineralisation in a Group of Spanish Schoolchildren

Molar-incisor-hypomineralisation (MIH) is a disturbance in dental development that commonly involves first permanent molars but permanent incisors may also be compromised. The prevalence of MIH in the literature varies between 2.5% and 40% of the world child population. Little information is gained on the prevalence of MIH among children in Spain