зубная щетка in English:

I brush my teeth with a toothbrush.

The dentist said I need a new toothbrush.

Where can I buy a toothbrush?

we need to buy new toothbrushes

Liz always uses an electric toothbrush.

He forgot to take his toothbrush.

You can buy a toothbrush at the reception.

This toothbrush is not used by my mother.

As a punishment, the disgraced Greenpeace volunteer had to scrub oil from an otter's fur with his own toothbrush.