Unfortunately they tend to have little science behind them. If a toothpaste is fluoride free I would not recommend it.
不幸的是，它们往往没有科学依据作支撑。如果牙膏不含氟我是不会推荐的。
In some areas of the country, the natural water supply contains a certain amount of fluoride - enough to keep teeth healthy and free of cavities.
在我国的某些地区，自来水含有一定量的氟化物——足以保持牙齿的健康及有效防止蛀牙。
But it is a temporary solution and if we want to control the fluoride pollution, we must use opaque glass with fluorine-free.
为此，但只是治标不治本，要根本上防治氟化物的污染，在于用无氟乳浊玻璃。
Free of fluoride, detergents, synthetic fragrances, colors, preservatives and raw materials derived from mineral oils.
氟，清洁剂，合成香料，色素，防腐剂和矿物油衍生原料免费。
Fluoride-free - Some parents feel their children get enough cavity-fighting fluoride in the foods they eat and the water they drink, and so don't want fluoride in their child's toothpaste.
一些家长觉得他们的孩子从食物和水中摄取了足够的预防蛀牙的氟，所以不想要含有氟的牙膏，也有些家长想避免氟化物。
Tom's of Maine Fluoride-Free Children's Toothpaste uses naturally sourced calcium and silica abrasives to gently clean teeth.
汤姆的缅因州无氟儿童牙膏的使用自然来源的钙和二氧化硅磨料，轻轻地清洁牙齿。
Tom's of Maine Fluoride-Free Children's Toothpaste uses naturally sourced calcium and silica abrasives to gently clean teeth.
汤姆的缅因州无氟儿童牙膏的使用自然来源的钙和二氧化硅磨料，轻轻地清洁牙齿。
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