MINOT AIR FORCE BASE, N.D. -- Capt. Glenn Ashworth, 5th Medical Operations Squadron dentist, and Senior Airman Ashley Martin, 5th Medical Operations Squadron dental assistant, perform a root canal on a patient here Nov. 3. Teamwork is essential in allowing dentists to concentrate completely on the task at hand. (U.S. Air Force Photo/Airman 1st Class Stephanie Ashley)