The Kolibree smart toothbrush uses AI to help you clean your mouth
 

Be honest, you probably don't brush your teeth quite as often or as thoroughly as your dentist recommends. But that's ok, with the Kolibree Ara AI-enabled smart toothbrush, you can keep up with your daily dental routine and know exactly where you've...

https://www.engadget.com/2017/01/03/...rt-toothbrush/