They are often used on the front teeth where a natural appearance is important.

There's that space between his front teeth women say means something.

There was a black gap between two of his front teeth.

His body lifted up off the floor and he lost a couple of front teeth.

He had looked for the little animals in the white stuff from between his front teeth.

And he poor guy just got his new front teeth!

A couple of his front teeth felt loose but they were all there.

She let those two front teeth fall out of place.

I whistle long and low through my two front teeth.

I thought of the smile in the family photo, the one without the front teeth.