U.S. Air Force Capt. Marie Cross, 386th Expeditionary Medical Group general dentist, performs a tooth extraction procedure on a military working dog at an undisclosed location in Southwest Asia, Sept. 24, 2015. A dental extraction is the removal of teeth from the dental socket which, performed for a variety of reasons, include teeth that are restorable due to tooth decay, periodontal disease or dental trauma. (U.S. Air Force photo by Senior Airman Racheal E. Watson/Released)