So there are some restrictions for fluoride.

氟化处理有一些限制。

A reservoir with more dreams...and less fluoride.

一个拥有更多梦想......更少氟化物水库。

The water contains chemicals from the ground – including fluoride.

水中含有来自化学物质，包括氟。

Putting fluoride in the water has long fueled conspiracy theories.

在水中添加氟化物长期以来引发了许多阴谋论。

The new standard would limit that to 0.7 milligrams of fluoride per liter.

新规定则将氟含量限值降低为每公升0.7毫克。

In most toothpastes and many water supplies, we use tiny amounts of fluoride.

除了降低糖淀粉摄取量，在大多数膏饮用水中。

Fluoride and teeth, compression and engines, X-rays and bone health or telegraph and wiring.

氟化物，压缩发动机，x 光骨骼健康或电报布线。

And for every liter of it, there is 0.8mg of fluoride in it.

每升水中含有 0.8 毫克氟化物。

But the researchers found something that works even better than fluoride: iron.

那就是铁。

Adding fluoride to the water makes teeth resistant to the bacteria that can cause tooth decay.

向水中添加氟使抵抗导致蛀细菌。

Dentists can help by giving you a fluoride treatment, but you have to brush and floss regularly.

医生还可以为你做氟化物治疗（在蛀部位涂上高浓度氟化物，令初期蛀坏部分还原），但是，你必须定期洗，还要经常使用线清洁。

And they are quick to note that regular cleaning with fluoride toothpaste helps prevent cavities in the first place.

而且他们很快提醒大家，经常使用含氟膏刷有助于从最初就防止蛀。

Currently the FDA allows bottled water with added fluoride to contain between 0.8 and 1.7 milligrams per liter.

目前，美国食品药品监督管理局允许加入瓶装水中氟含量在每公升0.8至1.7毫克之间。

Municipalities set their own fluoride doses, and most said it around this amount.

各市政当局自行设定氟化物剂量，大多数设定在这个范围内。

They found that three different strains of cavity-causing bugs cling less tightly to enamel that's been rinsed with fluoride.

他们发现引起蛀三种不同菌株很少粘附于有氟化物加固釉质表面。

They find that fluoride treatment can loosen bacteria's grip on tooth enamel. The study is in the journal Langmuir.

他们发现氟处理缓解釉质里细菌压力。这项研究发表在《朗缪尔》期刊上。

The pesticides on our food can have fluoride in it, too.

我们食物上农药也可含有氟。

And one thing he believes is that we should advise all US water systems to remove fluoride from public water.

而他相信一件事是，我们应该建议所有美国水系统从公共用水中去除氟化物。

Something to remember is using toothpaste without fluoride is not effective against dental caries.

需要记住是，使用不含氟膏对预防龋是无效。

For instance, to maximize the hydrogen fluoride production by adding or removing some of the substances.

例如，通过添加或去除某些物质来最大限度提高氟化氢产量。