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Wei Sheng Yan Jiu. 2005 May;34(3):287-8.

[The dose-effect relationship of water fluoride levels and renal damage in children].

[Article in Chinese]

Author information

  • 1Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.

Abstract

OBJECTIVE:

To explore the dose-effect relationship of water fluoride levels and renal damage in children and observe the difference of renal function between high-loaded fluoride people and dental fluorosis people in the same water fluoride level region.

METHODS:

210 children were divided into seven groups in term of drinking water fluoride levels and whether they suffered from dental fluorosis. Fluoride concentrations in urine and serum and activities of urine NAG and gamma-GT were determined.

RESULTS:

The urine and serum fluoride of high-loaded fluoride people and dental fluorosis people increased compared with control, moreover fluoride contents in urine and serum increased gradually with the increase of fluoride level in drinking water. Urine NAG and gamma-GT activities significantly increased in dental fluorosis people from area of 2.58 mg/L fluoride in drinking water and in those two groups from area of 4.51 mg/L fluoride in drinking water. Moreover, there existed an obvious dose-effect relationship between the drinking water fluoride concentration and NAG and gamma-GT activity.

CONCLUSION:

Over 2.0 mg/L fluoride in drinking water can cause renal damage in children, and the damage degree increases with the drinking water fluoride content. Renal damage degree is not related to whether the children suffered from dental fluorosis and mainly due to water fluoride concentration.

PMID:
16111031
[PubMed - indexed for MEDLINE]
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