Molar-Incisor Hypomineralization: Review of its Prevalence, Etiology, Clinical Appearance and Management

Arehalli Bhaskar Shubha, Sapna Hegde


Molar-incisor Hypomineralization (MIH) is defined as hypomineralization of systemic origin of one to four permanent first molars frequently associated with affected incisors. Affected molars may present major clinical problems in terms of extensive tooth structure loss, hypersensitivity and difficulty in restoration and retention. The prevalence of MIH ranges from 2.5–40% and seems to differ in certain regions and birth cohorts. Several factors are associated with etiology of MIH. The general dental practitioners should be aware that MIH is common and should be able to diagnose and manage at the early and appropriately. 


Developmental Enamel Defects; MIH; Molar-Incisor Hypomineralization; Post-Eruptive Enamel Breakdown.

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