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Effect of coal-burning endemic fluorosis on children’s physical development and intellectual level

3 Discussion Along with more thorough research on coal-burning endemic fluorosis, it has been discovered that fluorine not only causes significant damage to hard tissue such as bones and teeth, but it can also cause varying damage on soft tissue such as the central nervous system. In this article, we first compared the differences in dental fluorosis and urine fluoride concentration between children in different coal-burning endemic fluorosis areas. We found that the severe endemic area grou