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四十年代以来,国外对于自来水加氟区的居民总摄氟量进行了很多调查。广州市芳村地区从1965年开始自来水加氟防龋,自来水含氟量由0.2～0.3毫克/升提高到0.6毫克/升。为了瞭解居民每人每天平均总摄氟量,1980～1982年作了这个调查。 方 法 3～7岁儿童的食物调查在两个幼儿园进行,由幼儿园保健老师登记1981年3～5月份六天中165人每餐用于烹调和直接进食的食物品种及其重量。然后归入水,粮食,肉鱼蛋,蔬菜,食盐和食糖六类,计算出每人每天的平均进食量。再根据广州市食品含氟量计算
Since the 1940s, many foreign surveys have been conducted on the total amount of fluoride taken by residents in the water-adding area of tap water. Fongcun District of Guangzhou City started from 1965 to add water fluoride fluoride caries, tap water fluoride content from 0.2 to 0.3 mg / l increased to 0.6 mg / l. In order to understand the average daily intake of fluoride per inhabitant per capita, 1980 ~ 1982 made this survey. Methodology Food surveys of children aged 3-7 were conducted in two kindergartens. Kindergarten teachers conducted a food registration of 165 food meals for each of the six meals for cooking and direct consumption in 1981 and May 1981, and their weight. Then into the water, food, fish balls, vegetables, salt and sugar six categories, calculate the average daily intake of food per person. Calculated according to the amount of fluoride in food in Guangzhou City