Abstract
A woman treated with fluoride for corticosteroid-induced osteoporosis presented 1 year later with an unusual localized supraacetabular followed by a same-sided femoral head fracture. Fluoride was increased in serum and urine. Transiliac bone biopsy revealed typical bone fluorosis with elevated trabecular bone fluoride.
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A prospective study of bone mineral content and fracture in communities with differential fluoride exposure
In 1983/1984, a study of bone mass and fractures was begun in 827 women aged 20-80 years in three rural Iowa communities selected for the fluoride and calcium content of their community water supplies. The control community's water had a calcium content of 67 mg/liter and a fluoride content of
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Effects of dialysate calcium and fluoride on bone disease during regular hemodialysis
A previous study indicated that, in patients maintained by hemodialysis, clinically and roentgenographically apparent bone disease appeared almost exclusively when the dialystate calcium concentration was less than 5.7 mg per 100 ml. In the present study, bone biopsy specimens from the iliac crest were studied at the beginning and end
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Fluoride-related bone disease associated with habitual tea consumption
Acquired osteosclerosis is a rare disorder of bone formation but an important consideration in adults with sclerotic bones or elevated bone density results. In such patients, malignancy, hepatitis C, and fluorosis should all be considered when making a diagnosis. We describe 4 patients evaluated at our Metabolic Bone Disease Clinic
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Effect of fluoride on collagen synthesis in the rat
Thirty-six young rats were used to determine the effect of the fluoride on collagen synthesis in healing of fracture. Eighteen rats received 100 ppm fluoride per day, the other 18 were not given fluoride and were used as controls. Then the tibiae of the 36 rats were successively fractured and
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Femoral fractures in fluoride-induced osteoporosis: an update
In 1984, we reported 16 postmenopausal patients with osteoporotic vertebral fractures treated with Na fluoride (NaF), calcium (Ca) and vitamin D (D). We noted relative freedom from vertebral fractures during treatment, but a disturbing incidence of femoral fractures. We now report the current status of 17 pts followed closely on
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The Relationship Between Fluoride, Bone Density, and Bone Strength
Although fluoride has generally been found to reduce the bone density of cortical bone, it is well documented that fluoride can increase the density of trabecular bone (aka cancellous bone). Trabecular bone is the primary bone of the spine, whereas cortical bone is the primary bone of the legs and arms. While increases in
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Clinical Trials: Fluoride Treatment & Bone Fracture in Osteoporosis Patients
Due to its ability to increase bone mass, fluoride has been used as an experimental treatment for osteoporosis. The results, however, have generally been disastrous. Rather than prevent bone fractures in osteoporosis patients, fluoride therapy (at doses of 20-34 mg/day) was repeatedly found to increase fracture rates. One of the most
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In Vitro Studies on Fluoride & Bone Strength
The "in vitro" research on fluoride and bone strength confirms what has repeatedly been found in animal and human studies: the more fluoride a bone has, the weaker the bone becomes. In an in vitro bone study, the researcher directly exposes a human or animal bone to a fluoride solution
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Mechanisms by which fluoride may reduce bone strength
Based on a large body of animal and human research, it is now known that fluoride ingestion can reduce bone strength and increase the rate of fracture. There are several plausible mechanisms by which fluoride can reduce bone strength. As discussed below, these mechanisms include: Reduction in Cortical Bone Density De-bonding of
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Fluoride Content of Bone Impairs Bone Quality
Water Fluoridation Increases the Fluoride Content of Bone "Fluoride analyses of the cadaver material from Kuopio revealed that fluoridation of drinking water increases the fluoride concentration in bone. In some individual cases the amount of fluoride in trabecular bone may rise to relatively high levels, notably in patients with impaired renal
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