Plaque is a colorless film that forms on teeth. If it is not removed, plaque can build up, harden into tartar and contribute to teeth cavities and gum disease. Brushing removes plaque on the exposed surfaces of the teeth, but it is not a great way to root out plaque and food particles from between teeth and under the gum line. For that, you need to use floss or a water jet device -- but which is better?
Both floss and water jet devices do a good job of removing hard-to-reach plaque and debris from teeth, according to Dr. Mark Wolff, professor of cardiology and comprehensive care at New York University College of Dentistry. Some studies have found that floss works best; others favor water jets. Water jets are easier to use than floss, especially if braces, non-removable dental work or arthritis make it tough to use floss. But if your gums are inflamed, jets of water may bother sensitive teeth.
The bottom line: “Concentrate on making sure your teeth are clean by whatever method you find most comfortable,” recommends Dr. Wolff.