I Tried the $299 Feno Smartbrush to Clean My Teeth. It’s a Whole New Vibration

By Carly Quellman

It has 18,000 bristles, a U-shaped mouthpiece and AI to help assess your oral health. I met up with the company’s CEO to learn more.

Source: I Tried the $299 Feno Smartbrush to Clean My Teeth. It’s a Whole New Vibration