Abstract

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  • Prophylactic fluoride treatment and aged bones.

    In a double-blind trial with monofluorophosphate (25 mg fluoride per day) given to 460 aged persons (237 treated, 233 control) for eight months no difference was observed in height, admission to hospital, or mortality. Fractures and exacerbation of arthrosis were more frequent in the fluoride group. Vertebral x-ray films showed

  • Water fluoridation and hip fracture

    In a recent article in THE JOURNAL, Jacobsen et al (1) demonstrated a positive ecologic association between hip fracture discharge rates in the United States and fluoride content in water supplies. In a similar study, we recently reported the ecological association of discharge rates for hip fracture and water fluoride

  • Effect of fluoride treatment on the fracture rate in postmenopausal women with osteoporosis

    Although fluoride increases bone mass, the newly formed bone may have reduced strength. To assess the effect of fluoride treatment on the fracture rate in osteoporosis, we conducted a four-year prospective clinical trial in 202 postmenopausal women with osteoporosis and vertebral fractures who were randomly assigned to receive sodium fluoride

  • 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

  • Fluorosis as a probable factor in metabolic bone disease in captive New Zealand native frogs (Leiopelma species)

    This report describes the investigations into the cause and treatment of metabolic bone disease (MBD) in captive native New Zealand frogs (Leiopelma spp.) and the role of fluoride in the disease. MBD was diagnosed in Leiopelma archeyi and Leiopelma hochstetteri in 2008 at three institutions: Auckland Zoo, Hamilton Zoo, and

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  • Fluoride Reduces Bone Strength Prior to Onset of Skeletal Fluorosis

    The majority of animal studies investigating fluoride's impact on bone strength have found that fluoride has either no effect, or a detrimental effect, on bone strength. Importantly, several of the animal studies that have found fluoride reductes bone strength have reported that this reduction in strength occurs before signs of skeletal fluorosis

  • Fluoride & Osteoarthritis

    While the osteoarthritic effects that occurred from fluoride exposure were once considered to be limited to those with skeletal fluorosis, recent research shows that fluoride can cause osteoarthritis in the absence of traditionally defined fluorosis. Conventional methods used for detecting skeletal fluorosis, therefore, will fail to detect the full range of people suffering from fluoride-induced osteoarthritis.

  • 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

  • Fluoride Reduces Bone Strength in Animals

    Most animal studies investigating how fluoride effects bone strength have found either a detrimental effect, or no effect. Few animal studies have found a beneficial effect. In fact, one of the few studies that found a beneficial effect was unable to be repeated by the same authors in a later

  • 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