While not a replacement for daily brushing and flossing, use of mouthwash (also called mouthrinse) may be a helpful addition to the daily dental hygiene routine for some people. Why Use Mouthwash? Just like dental floss, interdental brushes, and water flossers, mouthwash can get in between teeth. Reaching areas that your toothbrush can’t get to helps to reduce the risk of cavities and gum disease. Mouthwash can help: Prevent or control tooth decay Reduce plaque (a thin film of bacteria that forms on teeth) Prevent or reduce gingivitis (an early stage of gum disease) Reduce the speed that tartar (hardened plaque) forms on the teeth or to produce a combination of these effects Freshen breath Types of Mouthwash There …