Clean between teeth and under your gum line with Reach Unflavored Waxed Dental Floss. This unflavored floss is waxed to slide easily between teeth while it removes plaque and food particles. It is accepted by the American Dental Association and is designed to clean between teeth and under the gum line. Flossing is part of a dentist-recommended oral care routine that is designed to remove plaque and help prevent gum disease.