Dried licorice root fights the bacteria that cause tooth decay and gum disease, study finds

Dried licorice root fights the bacteria that cause tooth decay and gum disease, study finds: Scientists are reporting identification of two substances in licorice -- used extensively in Chinese traditional medicine -- that kill the major bacteria responsible for tooth decay and gum disease, the leading causes of tooth loss in children and adults. In a new study, they say that these substances could have a role in treating and preventing tooth decay and gum disease.