The ultrasonic waves help loosen and remove ... scalp, and toenails. This teeth-cleaning method is called guided biofilm therapy, or GBT. The goal is to remove biofilm from the teeth.
This No. 1 best-selling ultrasonic toothbrush doesn't just clean. It whitens, too — and it's available at Amazon for a ...
We have tried and tested the best electric toothbrushes to help you keep your teeth and gums healthy and squeaky clean and ...