In extreme cases this can cause pits in the teeth and some studies outside the U. S. have suggested that pregnant women with higher amount of fluoride in their bodies can have children with lower IQ scores.

在极端情况下，这会导致牙齿凹陷，美国以外的一些研究表明，体内氟化物含量较高的孕妇可能会生出智商较低的孩子。

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，经常使用含氟牙膏刷牙有助于从最初就防止蛀牙。

… And I'm Rob. Alice, I read in the paper recently that the substance called 'fluoride' might be bad for our health. But it's in nearly every brand of toothpaste, isn't it?

我是罗伯。艾丽斯，我最近看到报纸上说一种叫做“氟化物”的物质对我们的健康有害。但是似乎所有牌子的牙膏里面都有这种物质，不是吗？

So there are some restrictions for fluoride.

氟化处理有一些限制。

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

一有更多梦想......更少氟化物的水库。

The water contains chemicals from the ground – including fluoride.

水中含有来自地下的化学物质，包括氟。

Having up to 35,000 teeth in a lifetime and being replaced sometimes in as little as 24 hours, shark teeth are also coated in fluoride, making them cavity and age-resistant.

鲨鱼一生中有多达 35000 颗牙齿，有时在 24 小时内就会被替换掉，鲨鱼的牙齿也被氟化物覆盖，使它们具有蛀牙和抗衰老的能力。

The rate of tooth decay in children's baby teeth was already on the rise that after they took the fluoride out of the water, that rate spiked.

儿童乳牙的蛀牙率本已在上升，而在停止添加氟化物后，这一比率急剧上升。

Kennedy says he wants to work to end chronic disease, break any ties between employees at the U.S. drug regulator and industry and advise U.S. water systems to remove fluoride. That was Reuters correspondent Jillian Kitchener.

肯尼迪表示，他希望努力消除慢性病，切断美国药品监管机构员工与行业之间的任何联系，并建议美国供水系统去除氟化物。路透社记者吉莉安·基钦纳 报道。

The bones of residents of the area around the lake weaken uncommonly fast, and Onywere was investigating whether this may be linked to high fluoride levels in the water.

该湖周围地区居民的骨骼异常快速变弱，奥尼韦尔正在调查这是否可能与水中的高氟化物水平有关。

In addition, brushing and flossing are useful because they physically remove dental plaque and deliver fluoride to the teeth to help with remineralization.

此外，刷牙和使用牙线很有用，因为它们可以通过物理方法去除牙菌斑，在牙齿表面涂氟化物可以帮助牙齿再矿化。

But everything else will be true to life, including the molten fluoride salt that will flow through the device to cool it.

但其他的一切设备都是实在物质，包括流经设备进行冷却的氯化物熔盐。

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

他们发现引起蛀牙的三种不同的菌株很少粘附于有氟化物加固的牙釉质表面。

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的氟含量在每公升0.8至1.7毫克之间。

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

那就是铁。

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（在蛀牙部位涂上高浓度的氟化物，令初期蛀坏的部分还原），但是，你必须定期洗牙，还要经常使用牙线清洁牙齿。

Some scientists say the new FDA limits on bottled water with fluoride don't go far enough, that the limit should be lower.

一些科学家说，新的食品药品监督管理局对含氟瓶装水的限制还不够，限制应该更低。

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。

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

向水中添加氟能使牙齿能抵抗导致蛀牙的细菌。

But this 2024 review looked across 21 studies of communities that added fluoride to their water, and could only determine that it may have led to a slight reduction in tooth decay.

但这项 2024 年的综述研究分析了 21 项关于社区添加氟化物的研究，仅能确定这可能导致蛀牙率略有下降。