Mercy Padgett, 341st Medical Operations Squadron chief of preventative dentistry, uses a mascot, Roo, to teach children how to properly brush their teeth Feb. 20, 2018, at Malmstrom Air Force Base, Mont. Roo is one of the hands-on activities the dental personnel use to teach children about oral health. (U.S. Air Force photo by Airman 1st Class Tristan Truesdell)