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茶叶是我国的特产之一。我国劳动人民自古以来都有饮茶水的生活习惯。喝茶能够解渴、提神、去腻、帮助消化,而且还具有预防龋齿的功用,值得赞扬一番。原来茶叶是一种含氟量较丰富的饮料,据测定,在高档茶叶中含氟量为50~100毫克/公斤,而低档的茶叶中其含氟量则为200~500毫
Tea is one of the specialty of our country. The working people in our country have used tea-drinking habits since ancient times. Drinking tea to quench their thirst, refreshing, tired to help digestion, but also has the function of preventing dental caries, it is commendable about it. The original tea is a rich content of fluorine drinks, according to the determination of high-grade tea fluoride content of 50 to 100 mg / kg, while the low-grade tea, the fluorine content of 200 to 500 milliliters