I've led Tested coverage at Forbes Vetted since 2022. A water flosser, also known as an oral irrigator or by the popular brand name Waterpik, is a convenient, fun-to-use alternative to dental floss.

Penny Gusner is a senior insurance writer and analyst at Forbes Advisor. For more than 20 years, she has been helping consumers learn how insurance laws, data, trends, and coverages affect them. Penny ...