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Dental fluorosis appears as a range of visual changes in enamel [4] causing degrees of intrinsic tooth discoloration, and, in some cases, physical damage to the teeth. The severity of the condition is dependent on the dose, duration, and age of the individual during the exposure. [1]
[5] [20] Excess intake of fluoride leads to overabundance of structurally-weak fluorapatite formed inside the enamel, resulting in increased brittleness of teeth. [21] In severe dental fluorosis, brown or yellow staining may appear on teeth. [8] Children under the age of eight are susceptible to dental fluorosis. [8]
Fluorosis is a condition resulting from the overexposure to fluoride, especially between the ages of 6 months and 5 years, and appears as mottled enamel. [3] Consequently, the teeth look unsightly, although the incidence of dental decay in those teeth is very small.
"Having knowledge of the fluoride level in your community water system and the other amounts of fluoride your child under age 8 is ingesting is the key to preventing dental fluorosis," she says.
The critical period for developing dental fluorosis is from birth until around eight years of age. This is the time when the enamel of the permanent teeth is still forming under the gums. [12] Once the teeth have fully developed and emerged into the mouth, consuming extra fluoride will not cause fluorosis.
Dental fluorosis really only affects developing teeth, Dr. Markowitz says. Children can be at risk if they consume too much fluoride while their permanent teeth are still forming, such as by ...
In the US mild or very mild dental fluorosis has been reported in 20% of the population, moderate fluorosis in 2% and severe fluorosis in less than 1%. [ 62 ] The critical period of exposure is between ages one and four years, with the risk ending around age eight.
Officials lowered their recommendation for drinking water fluoride levels in 2015 to address a tooth condition called fluorosis, that can cause splotches on teeth and was becoming more common in U ...
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