Where the root ends, surgery begins
374th Dental Squadron chief of Endodontics, Maj. Jongsun Kim, applies sealant to a tool with assistance from Reina Aikawa, dental assistant, during a root-end surgery April 16, 2015 Yokota Air Base, Japan. Aikawa is familiar with the procedure, and is prepared to assist Kim on the next step without being asked. (U.S. Air Force photo by Airman 1st Class Elizabeth Baker/Released)