M outhwashes (or mouth rinses) have been defined as medicated liquids "used to clean the oral cavity and treat disorders of oral mucosa.1 Historically, various substances have been used as mouthwash, including brandy, vinegar2 and even urine.3 There are two main types of mouthwash:4 * Therapeutic mouthwashes contain active ingredients that kill bacteria and can help reduce biofilm, gingivitis and halitosis, or prevent caries. * Cosmetic mouthwashes may temporarily control or reduce bad breath and leave a pleasant taste, but don't reduce the risk of caries or gingivitis. FREE FACTS, circle 10 on card dentaltown.com \\ SEPTEMBER 2019 83http://gargle.com/guide http://www.dentaltown.com