Abstract
Summary
Two studies have been conducted to investigate whether there is a relationship between the deposition of fluoride in various soft tissues of rats and guinea pigs and the levels of calcium and phosphorus in the tissues. The results suggest that when rats receive a stock corn diet there is a tendency toward an increase in the calcium, phosphorus, and fluoride content of livers, hearts, and kidneys “in the presence of supplemental fluoride.” In the guinea pig these relationships are not true in all of the tissues studied. When calcification inducing diets were used, in both types of experimental animals a marked increase in tissue calcium was accompanied by a marked increase in fluoride concentration in all soft tissues studied while changes in the phosphorus content were less pronounced.
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