MOLAR INCISOR HYPOMINERALIZATION

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Molar Incisor Hypomineralization and Primary Teeth Hypomineralization Defectsv

Sabiha Ceren İLİSULUa , Hayriye SÖNMEZa
aAltınbaş University Faculty of Dentistry, Department of Pediatric Dentistry, İstanbul, Türkiye

İlisulu SC, Sönmez H. Molar incisor hypomineralization and primary teeth hypomineralization defects. In: Şen Tunç E, ed. Molar Incisor Hypomineralization. 1st ed. Ankara: Türkiye Klinikleri; 2025. p.25-30.

ABSTRACT
Enamel hypomineralization is defined as a change in the translucency of enamel with visually demarcated opacity with a clear border and may be in color as white, yellow or brown. Although demarcated opacities can impact any teeth of the dentition-such as the first permanent molars, canines, premolars, second permanent molars, and second primary molars-the first permanent molars are the most commonly affected. Molar incisor hypomineralization (MIH) was first described in 2001 as a phenomenon primarily affecting one or four first permanent molars, with or without incisor involvement. Following the identification of MIH-like lesions in second primary molars, hypomineralized second primary molars (HSPM), also referred to as primary molar hypomineralization, were described. HSPM can be a valuable risk indicator for MIH and its early detection can facilitate the development of preventive strategies for MIH to reduce potential complications such as hypersensitivity, post-eruptive breakdown, caries and extractions.

Keywords: Child; tooth, deciduous; dental enamel; dental enamel hypoplasia; disease management

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