BPA harms dental enamel in animals, and possibly in children

A tooth enamel abnormality in children, molar incisor hypomineralization (MIH), may result from exposure to the industrial chemical bisphenol A (BPA), authors of a new study conclude after finding similar damage to the dental enamel of rats that received BPA. The study results were presented on Friday 6 March 2015 at the Endocrine Society’s 97th annual meeting in San Diego.
MIH causes white or brown opaque spots on an affected child’s permanent first molars and incisors, which become sensitive, painful and prone to cavities. Although the cause is unclear, it appears to have an environmental origin, according to the study authors (Press Release Endocrine Society, 6 March 2015).
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