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在饮水、食品中摄取的氟、钙和镁量的几个因素中,只有从饮水中摄取的氟量与骨X 线改变率和改变指数呈正相关,并被引入逐步回归方程。饮水中钙和镁的含量对氟含量的比值与骨 X 线改变率和改变指数无相关关系。本研究只发现饮水中氟含量影响氟中毒的程度。
Of drinking water, several factors of fluorine, calcium and magnesium uptake in food, only the fluoride intake from drinking water is positively correlated with the rate of change of bone X-ray and the change index, and is introduced into the stepwise regression equation. The ratio of calcium and magnesium in drinking water to fluorine content had no correlation with the rate of change of bone X-ray and change index. This study only found that fluoride content in drinking water affect the degree of fluorosis.