My tooth hurts.

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

My tooth hurts.

My tooth hurts.

By looking at the age of the teeth, you can tell the lifespan of an elephant.

He is brushing his upper teeth.

He is brushing his lower teeth.

He smiled, showing his lower teeth.

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

If you don't brush your teeth every day, dental plaque can accumulate and potentially cause cavities.