Thankfully, there's a gadget that makes it a lot easier: the water flosser. There are many products to choose from and the best water flosser for you depends on your individual needs, but generally the ones that dentists approve bear the ADA Seal of Acceptance. ADA Seal of AcceptanceThe ADA Seal of Acceptance has been used to highlight dentist-approved products for 90 years. We evaluated each for attributes like design, size, range of settings, and whether it carries the ADA Seal of Acceptance. Below, find the seven best water flossers, tested by editors and dentists.