20th Dental Squadron ensures clean and healthy smiles at Shaw
Staff Sgt. Tonya Collett, 20th Dental Squadron dental technician, polishes the teeth of Senior Airman Colin Casey, 20th DS lab technician, after a cleaning at Shaw Air Force Base, S.C., Sept. 30, 2013. The cleaning included using a cavitron, which is an ultrasonic tool that uses water vibrations to break apart plaque, followed by a pick to pull out any plaque remains before polishing the teeth. (U. S. Air Force photo by Airman 1st Class Krystal M. Jeffers/Released)