the formation of dental fluorosis is how the

Fluoride is a chemical element, like vitamins, is an essential trace element for human body. Water at 0.5 to 1 mg / l concentration, the development of the teeth and bones

Helpful, if more than this concentration, or exceeding the tolerance dose of fluoride tooth, can cause enamel fluorosis. The higher fluorine content of drinking water, drinking when

The longer, more severe dental dental compressor fluorosis. Dental fluorosis popular all over the world, outside of China except Shanghai, municipalities and autonomous regions are scattered in the treatment of fluorosis areas.
As belonging to a particular dental fluorosis caused by environmental factors, another feature is the calcification of tooth development, fluoride to work. If to 8 years of age, in addition to the third constant

Molars, all of the permanent teeth calcification basically completed at this time, even then migrate to high fluoride areas of life, it will not have a dental fluorosis.