As the stir cracks and crazes their enamel.

原来这一颤动，冰块坼裂成瓷瓶的无数细纹。

Tooth mousse, it's meant to protect the enamel on your teenth.

护牙素，用来保护牙釉质的。

And I put them on t-shirts, cushions, dresses and enamel pins.

然后我会把他放在T恤，靠枕，裙子，有搪瓷小别针。

As the drink enters your mouth, it's high acid content begins to erode the enamel on your teeth. And the microorganisms in your plaque start to feed off the sugar which can lead to cavities.

当饮料进到你嘴里，高度酸性物质开始腐蚀你牙齿的珐琅质，齿菌斑中的微生物会开始以这些醣类维生，导致蛀牙。

Fluoride protects us from cavities by remineralizing enamel on our teeth.

氟化物通过再矿化牙釉质来保护我们免受蛀牙的侵害。

One question is just how durable the enamel made by stem-cell-derived ameloblasts proves to be.

存在一个问题，由干细胞衍生成釉细胞制成的牙釉质究竟有多耐用。

This acid can cause holes, called cavities, to form in the enamel of your teeth.

这些酸会造成蛀牙洞，形成在牙釉质表面。

Lemons are so acidic they can actually take the protective enamel off your teeth.

实际柠檬酸到可以把你牙齿具有保护性质的珐琅质去除掉。

Tooth enamel is the hardest substance in your body, did you know?

你知道吗，牙釉质是人体内最坚硬的物质?

If your enamel is worn away, your dentin and its tubules can be exposed.

如果你的牙釉质被磨掉了，你的牙本质和它的小管就会暴露出来。

The sky outside was so brightly blue it looked as though it had been enameled.

窗外的蓝天明亮得过一层釉似的。

Frequent use of fluoride-containing mouthwashes, gels, toothpaste, and tablets will also fortify the enamel.

经常使用含氟的漱口水、凝胶、牙膏和药片也可以强化牙釉质。

Even with protective enamel ridges, these teeth would gradually have worn down.

即使是有保护釉质的脊，这些牙齿也会逐渐被磨损。

I am mad...that I can't huff enamel without people assuming it's because my family sucks.

我很生气，我吸釉别人就觉得是因为我家庭不幸。

The tooth has an enamel covering so it's relatively shiny.

牙齿表层有牙釉质 所以稍微亮些。

But the flame wasn't hot enough to burn enamel.

但温度不够没烧化牙釉。

The last step is to color the enamel paintings.

最后一步是给珐琅画色。

The new toothpaste, called Elixir, comes in three varieties: a formula for whitening teeth, one for gum and enamel care and a " detox" version which, it is claimed, removes impurities from the mouth.

高露洁的新款牙膏名叫Elixir，配方有三种类型，一种用于美白牙齿，一种用于牙龈和牙釉质的护理，有一种是“排毒”版，号称可以去除口腔污物。

Once this process is finished, your enamel can't repair itself again because all the cells that make it are lost, so we're lucky that enamel can't be easily destroyed.

一旦这个过程完成，你的牙釉不会再自我修复因为所有制造牙釉质的细胞 都已经消失，所以，我们很幸运牙釉质并不容易遭到破坏。

You may think the harder that your brush the more stuff you get off your teeth, but you're actually wearing away tooth enamel and that's not good, so brush softer.

你也许认为刷牙用力越大清洁牙齿效果就越好，但是实际，你把牙表面牙釉质都刷没了。