Are electric (rechargeable) toothbrushes effective in whitening teeth?

Whitening and removing stains on the teeth are different things. 

This is one of the most asked questions. Unfortunately, I'm sorry to say that electric or manual toothbrushes do not whiten our teeth. But thanks to the special polishing heads of electric toothbrushes, it prevents the formation of tea, coffee, and cigarette stains on the outer surface of our teeth. Let's not forget that whitening and removing stains on the teeth are different things.