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 ...

The Hum by Colgate has an excellent smart app that guides your brushing. Unlike many other electric toothbrushes, the Hum vibrates rather than rotates, providing a different, more gentle experience.

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One of our favorite electric toothbrushes has plummeted in price thanks to Amazon Prime Day - now just over $20. When you purchase through links on our site, we may earn an affiliate commission.