Everything that uses electricity is getting smart — or eventually will. We've had electric toothbrushes for some time now. But now, those toothbrushes are finally getting smart functionality. One of ...

Smart toothbrushes have been around for a few years now, but they haven’t quite caught on. Sure, they promise better habits via connected sensors, but they also tend to be very expensive ($100 and up) ...

One of the surprises of this year's Consumer Electronics Show was a smart toothbrush from Colgate, which, as it turns out, was designed to be an Apple Store exclusive. The new $100 Colgate Smart ...