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文献中屡见来自高氟区有关斑釉和龋的报道,很少有来自低氟区的资料。1983年6月我们对通城山区的水氟及8—15岁中小学生18,517人的斑釉和龋进行了调查。结果表明通城县水氟浓度低,斑釉率相对较高,釉患率低。通城县居民有着普遍的饮茶习惯及嚼食茶叶的习惯,这是产生斑釉症的重要原因。低蔗糖消耗是龋患率低的最重要原因;茶叶氟补充了水氟含量不足,而嚼食茶叶如同食含氟嚼片或使用含氟牙膏一样,既清洁了牙面,又增加了牙釉质局部氟量,起到了防龋的功效,这也是低龋的重要原因。作者赞同低氟区饮用茶水预防龋病的方法,同时指出单纯加大氟摄入量的方法是片面的,应采取包括降低蔗糖消耗在内的一系
Frequently reported in the literature from the high fluoride area on the spot glaze and caries reported, very few from the low fluoride area data. In June 1983, we surveyed 18,517 spot-flogging and dental caries in water fluoridation and primary and secondary school students aged 8-15 years in Tongcheng Mountain. The results show that Tongcheng County has low water fluoride concentration, relatively high spot glaze rate and low glaze rate. Tongcheng County residents have a common habit of drinking tea and chewing tea, which is an important cause of plaque glaucoma. Low sucrose consumption is the most important reason for low caries rates; tea fluoride supplements the water fluoride content is insufficient, and chewing tea as eating chewable fluoride or fluoride toothpaste, both clean the tooth surface, but also increased the local enamel Fluoride, played a preventive effect of caries, which is also an important cause of low caries. The authors agree with the method of drinking low-fluoride drinking tea to prevent dental caries, but also pointed out that the only way to increase fluoride intake is one-sided, including the reduction should be taken to include a series of sucrose consumption