The exam in the latter period was difficult.

He subsequently became a famous writer.

He left the station, departing from behind me.

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.

While waiting for the test results, he gritted his teeth.

He died young.