LONDON (AP) -- Toothbrushes used to be simple, powered only by your hand so they never broke down. Nowadays, rechargeable electric toothbrushes are increasingly popular because they make brushing ...

Hands hold an electric toothbrush and its docking station in London. Toothbrushes used to be simple, powered only by your hand. Rechargeable electric toothbrushes are increasingly popular because they ...

LONDON (AP) — Toothbrushes used to be simple, powered only by your hand so they never broke down. Nowadays, rechargeable electric toothbrushes are increasingly popular because they make brushing ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. LONDON (AP) — Toothbrushes used to be simple ...