Capt. Kimberly Quilao (left), 9th Aerospace Medical Dental Squadron general dentist, and Mr. Richard LaCarney, 9th AMDS dental assistant, use a transilluminator to check for cracks in a patient's teeth at the dental clinic on Beale Air Force Base Calif., Feb. 8, 2013. If untreated cracked tooth syndrome can lead to severe pain, possible pulpal death, abscess, and even the loss of the tooth. (U.S. Air Force photo by Senior Airman Allen Pollard/Released)