You are talking about the Anshun region in Guizhou, where the water quality is not rich in fluoride. I lived there and am originally from Guizhou. Most of the people I know with yellow and black spots on their teeth come from rural areas in coal-producing areas, such as Zhijin, Qianxi and other places. One is related to drinking water, the second is related to hygiene habits, and the third is tetracycline teeth (this type of tooth also exists in cities, but it is rare now). Don't worry, most of the water we drink now is bottled water. Some of the workers your father saw are not locals. If you're really worried, just let him drink bottled water and he'll be fine. I think there is no need to worry, but your filial piety is commendable.
What should I do if the fluoride content of drinking water is high? My father went to Guizhou to wor
2024-08-09 20:36:01
Introduction What should I do if the fluoride content of drinking water is high? My father went to Guizhou to work last month. He said people there had stains on their teeth from the water. You are talking about the Anshun region in Guizhou, so
