Plastics chemical in dental fillings affect children's behaviour, study finds

CHILDREN who receive dental fillings made from the controversial plastics chemical bisphenol-A (BPA) could undergo small but long-term changes in their behaviour, a new study suggests.Researchers looked at 534 children who had fillings for at least two cavities and examined their social skills before five years after getting fillings.The fillings were made of either a silver blend called amalgam, which many dentists have moved away from because it contains mercury, or plastic composites, some of which are based on bisGMA, a material made from BPA.The children who got the highest number of bisGMA-based fillings had more emotional problems five years later than the children who got fewer of these fillings, but no such change occurred with other types of fillings.The study appeared online July 16 and will be published in the August print issue of Pediatrics.
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