His teeth have strong dentin, making them less prone to cavities.

He died young.

The tooth of the zipper on my jacket broke.

My gums hurt.

Toothed whales are a type of marine animal, and as the name suggests, they have teeth.

He is conducting research on the radula of mollusks.

When he eats an apple, he uses his incisors to bite it off.

He is listening to music using Bluetooth.

In the Edo period, women blackened their teeth as a symbol of beauty.

He is brushing his upper teeth.