A redesigned brush head on the Oral-B iO is just one of its improvements. Photo: Proctor & Gamble It’s easy to mock smart toothbrushes, but most people don’t have very good dental hygiene. High-tech ...

One of the most unlikely passengers on the AI gadgets hype train is the toothbrush. With claims of using advanced algorithms and companion apps to help you brush your teeth better, toothbrushes have ...