Tooth decay occurs when bacteria in the mouth produce acids that attack the enamel, or protective outer layer of the tooth. If left untreated, tooth decay could lead to gum disease, cavities, and ...

Carrie Madormo, RN, MPH, is a health writer. She has over a decade of experience as a registered nurse, practicing in a variety of fields, such as pediatrics, oncology, chronic pain, and public ...