Name: 歯の働き (How Your Teeth Work)
Uploaded: 2021-01-14T08:07:36.000Z
Duration: 3 min 43 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

KidsHealth presents "How the Body Works,"

(SINGING) So you gotta, gotta, gotta, gotta, gotta

That was the Foggy Liver Boys with "Gotta Have

Next up is Chloe and the Nurb with a song that's

sure to put a big toothy grin on your face.

Babies get their first teeth at 6 months old.

20 baby teeth is all their baby mouths can hold.

They usually have all 20 by the time they're 3.

At around 6 years those little teeth get loose.

Bigger, stronger teeth start pushing them out.

By 12 or 13, you'll have all 28 of your adult teeth.

So there are 28 permanent teeth in all-- eight

You still have four more to go-- your wisdom teeth.

By 21, you'll probably have those wisdom teeth for 16

It's all the teeth that anyone could ever need

Brush them at least twice a day, and floss them, too,

You've got different kinds of teeth, whatever your mood.

The front four incisors help you bite your food.

There's four on top and four on the bottom, too-- doo,

helping tear tough food whenever you eat.

Every once has four-- two on top and two beneath,

Premolars and molars are the ones that chew.

They crush, grind, and smash up all of that food.

Add some spit, and you're ready to swallow it down.

Those wisdom teeth not only come in slow.

Once they're there, they might just cause you woe.

You don't really need them, so your dentist can take them out.

They help you munch, bite, nibble, and gnaw.

Some folks wear braces to get their teeth aligned

so their teeth work better and their smile looks fine.

The white part we see on top is the crown, and below

The enamel outside is what makes them hard and bright

The pink stuff the tooth sits in is your gum.

The roots of the teeth are covered by cementum.

Inside that is the dentin around the pulp.

to your brain that says this soup's too hot

Sometimes a cavity's what's hurtin' you, though.

Acid from plaque burned a hole through the enamel, which

is why we brush at least twice a day and floss at least once.

Brush them twice a day or more north and south.

Floss each end every day, too, to remove most food

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歯の働き (How Your Teeth Work)

stuff

tough

nasty

stretch