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What is molar-incisor hypomineralization?


This summary is based on the article published in the International Journal of Oral and Maxillofacial Patholory: Molar-Incisor Hypomineralization: review of its prevalence, Etiology, Clinical Appearance and Management (January 2013)


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 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 to 40% and seems to differ in certain regions and birth cohorts. Several factors are associated with the etiology of MIH. The general dental practitioner should be aware that MIH is common and should be able to diagnose and manage it early and appropriately.  



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