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

护牙素，用来保护牙釉质的。

For enamel, this process produces long, thin strands, each about 60 nanometers in diameter.

在生成牙釉质的过程中会产生细长的纤维状物，每条纤维的直径宽约60纳米。

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。

The organoids happily churned out the chemical components of enamel.

类器官愉快地分泌出了牙釉质的化学成分。

Enamel is the strongest stuff in your whole body -- even stronger than bone!

牙釉质是全的东西，至比骨头。

Many foods weaken our enamel and brushing right after can actually damage your teeth.

许多食物损伤牙釉质，吃完饭后就刷牙，实际上也损伤牙齿。

If you said enamel, flash a big old smile.

如果你选择牙釉质，那就答对了。

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

你知道吗，牙釉质是人体内的物质?

Millions of these rods packed together make up the enamel layer of your teeth.

这些成千上万的结晶物排列堆积，形成了你的牙釉质。

Enamel is the hard mineralized outer layer of the tooth.

牙釉质是牙齿的矿化外层。

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。

If you zoom way in, tooth enamel looks almost like the weave of a basket.

如果放大牙釉质，它与篮子的纹理非常相近。

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。

And your teeth aren't hard enamel all the way through.

并且牙齿并不是全都是牙釉质。

Even though enamel is strong, plaque and bacteria in your mouth can damage it.

尽管牙釉质很固，但口腔中的牙菌斑和细菌也会对其造成损害。

Dentin is pretty hard, but unlike enamel, it's porous.

牙本质非常，但与牙釉质不同，它是多孔的。

We lose the enamel of teeth.

我们失去牙釉质。

So building enamel is like making rocks in your mouth.

所以生产牙釉质就像在你嘴里生产岩石。

The enamel contains chemical signatures of a local soil, passed by the plants the mastodons ate.

通过他们所吃的食物，牙齿上的釉质带有一些当地土壤的化学成分。