Brush heads should be replaced every three months. Our at-home testing of the Waterpik Complete Care 9.0 included checking how water-resistant it is, as well as evaluating its various modes and ...

The Waterpik Sensonic Sonic electric toothbrush ... all due to its three custom cleaning modes and its contoured brush head, which claims to better reach those back-of-mouth areas.

Waterpik Spokesperson. "The specially designed brush head bristle pattern is an important feature that will help remove harmful bacteria that can be missed by manual toothbrushes, and I can't wait ...

Two brush heads are included as well as a handy travel case. Fed up with buying floss? The Waterpik Sonic-Fusion 2.0 lets you brush and floss your teeth at the same time, and right now it’s $20 off.