Although removal of excessive fluoride from drinking-water may be difficult and expensive, low-cost solutions that can be applied at a local level do exist.
虽然从饮用水中去除过量氟化物可能很困难并且费用高昂,但仍然存在可在地方一级采取的费用低廉的解决办法。
The prevalence of dental fluorosis of the children drinking low fluorine water was no difference no matter whether using fluoride dentifrice or not.
饮用低氟水的儿童无论是否使用含氟牙膏,其氟斑牙患病率间没有差别。
Periodontal disease presents the low incidence of the people drinking the high fluoride water.
高氟地区人群中牙周病的发病率低。
Periodontal disease presents the low incidence of the people drinking the high fluoride water.
高氟地区人群中牙周病的发病率低。
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