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Fluorosis |
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Fluorosis
a chronic disease caused by prolonged excessive ingestion of fluorine. The consumption of water with a high fluorine concentration (more than 1–1.2 mg/liter) or food with an excessive quantity of fluoride compounds results in the retention of fluorine salts in bones and dental tissues and the replacement of soluble calcium compounds by the insoluble compounds of calcium and fluorine. Fluorosis is manifested by the appearance of stains on dental enamel and by a change in the structure of bony tissue (osteosclerosis), causing bone deformity and calcification of ligaments. When contact with fluorine is terminated, symptoms of fluorosis decrease. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | It is estimated that more than 10 million people in Guizhou Province and surrounding areas suffer from dental and skeletal fluorosis (Cao 1991; Chen et al. This text was drafted in response and contains chapters discussing fluoride environmental occurrence, geochemistry, and exposure; human health effects; guidelines and standards; removal of excessive fluoride; analytical methods; and country data on dental and skeletal fluorosis associated with exposure to fluoride through drinking water (covering 28 countries). The report said that in China alone, more than 10 million people suffer from skeletal fluorosis, in which fluoride accumulates in the bones progressively over many years leading to stiffness and pain in the joints and sometimes crippling changes to bone structure and calcification of ligaments. |
Skeletal fluorosis |
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