Tech Sgt. Tina Phelps-Prince, 779th Dental Squadron NCO in Charge of preventive dentistry, teaches children at the Child Development Center proper dental hygiene for National Children’s Dental Health Month on Joint Base Andrews, Md., Feb. 26, 2015. The 779th DS visited children at all three CDCs. (U.S. Air Force photo/ Senior Airman Nesha Humes)