SHAW AIR FORCE BASE, S.C. --
U.S. Air Force Tech. Sgt. Bryan Morris, 20th Dental Squadron dental laboratory flight chief, forms a retainer for a patient at Shaw Air Force Base, S.C., May 18, 2017. Each dental laboratory technician makes about 800 dental appliances per year, including retainers, night guards and crowns. (U.S. Air Force photo by Airman 1st Class Destinee Sweeney)