Abstract

Two patients had a combination of renal insufficiency and systemic fluorosis. One had bilateral vesicoureteral reflux and recurrent pyelonephritis, with resulting renal atrophy; the other had probable renal dysgenesis of indeterminate origin. Both patients had polydipsia, polyuria, and markedly reduced renal function. Both also had clinical and roentgenographic evidence of systemic fluorosis. It is postulated that the renal insufficiency which resulted in the large intake of fluoride-containing water and reduced excretion of fluoride combined to produce systemic fluorosis.

Excerpt:

It is generally agreed that water fluoridation is safe for persons with normal kidneys. Systemic fluorosis in patients with diminished renal function, however, seems a reasonable possibility. In such patients, fluoride may be retained with resulting higher tissue fluoride levels than in persons with normal renal function.

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