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Fluoride does not cause fractures but its benefits may vary
| The first 150 words of the full text of this article appear below. |
The benefits to teeth of fluoridating community
water supplies are widely acknowledged.1 A comprehensive
summary of the most recent evidence is included in the systematic
review by McDonagh et al in this issue of the journal
(p 855)2 but some concerns persist about possible adverse
effects on bone.3 The paper by Phipps et al in this issue
of the BMJ (p 860) introduces new evidence on the safety
of fluoridating community water supplies.4 In their
multicentre prospective study, Phipps et al found that ambulatory women
aged 65 years or older who had been continuously exposed to fluoridated
water for the past 20 years had higher bone mineral density at the
lumbar spine and hip and a slightly lower risk of hip and vertebral
fractures than women who had not been exposed to fluoridated water. The
potential confounding effect of other factors known to be associated
with fractures, such as oestrogen
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