natural fluoride level

natural fluoride level

The concentration of fluoride in mg/L present in the water from natural fluoride sources.
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References in periodicals archive ?
This natural fluoride level in drinking water is de- rived from the solvent action of water on rocks and soils of the earth's crust.
In addition, baseline data was collected in Aurora, Illinois, where the public water supply had a natural fluoride level of 1.2 ppm and there was a much lower frequency of cavities.
Highest natural fluoride level concentration reported being 38.50 mg/l in Haryana.
The resulting fluoride concentration was noted to be 1.4 ppm, which was indicative of a high level of natural fluoride level in the water samples obtained.
The area with the highest natural fluoride level, Hartlepool, had only a third of the decay of three other areas and there was no noticeable harm to the children.
live in an area with a nonfluoridated water supply or low (< 0.3 parts per million) natural fluoride levels ...
The present study defined a nonfluoridated site as having water fluoride levels (both adjusted and natural fluoride levels) of <0.3 mg/L.
In the Northeastern region of Brazil some inland cities from Paraiba and Ceara have moderate to high natural fluoride levels (>1.0 mg/L) in the drinking water resulting in high prevalence of dental fluorosis and some severe cases (1-3).