rugular tooth brushing/flossing to treat gingivitis, a gum disease, help prevent tooth decay. UESES:This medication is used along with rugular tooth brushing/flossing to treat gingivitis, a gum disease that causes red,swollen, and easily bleeding gums.Chlorhexidine belongs to a class of drugs known as antimicrobials. It works by decreasing the amount of bacteria in the mouth, helping to reduce ...