Tech. Sgt. Elizabeth Blades, a dental laboratory apprentice course instructor, demonstrates a technique for carving out partial dentures at the Medical Education and Training Campus on Joint Base San Antonio-Fort Sam Houston, Oct. 20, 2016. Blades is one of 10 Air Force instructors, all of whom are assigned to the 381st Training Squadron. (U.S. Air Force photo/Staff Sgt. Jerilyn Quintanilla)

Senior Airman Jarryd Bigler, a dental laboratory apprentice course trainee, places a plaster model on a Computer-Aided Design and Computer-Aided Milling machine, or CAD/CAM, for scanning at the Medical Education and Training Campus on Joint Base San Antonio-Fort Sam Houston, Oct. 20, 2016. The dental laboratory apprentice course curriculum is designed to teach basic skills such as fabricating full and partial dentures, crowns and veneers. (U.S. Air Force photo/Staff Sgt. Jerilyn Quintanilla)

Senior Airman Jarryd Bigler, a dental laboratory apprentice course trainee, practices carving a tooth pattern out of wax at the Medical Education and Training Campus on Joint Base San Antonio-Fort Sam Houston, Oct. 20, 2016. After graduation Bigler, who is currently in his final course of training, will attain his 3-skill level and move on to an assignment in an operational dental squadron. (U.S. Air Force photo/Staff Sgt. Jerilyn Quintanilla)

Airman Logan Encinas, a dental laboratory apprentice course trainee, practices fabricating a metal restoration at the Medical Education and Training Campus on Joint Base San Antonio-Fort Sam Houston, Oct. 20, 2016. During the 6-month course, trainees will learn and practice the concepts and skills necessary to become a fully-qualified dental laboratory technician. (U.S. Air Force photo/Staff Sgt. Jerilyn Quintanilla)

Airman 1st Class Brianna Benko, a dental laboratory apprentice course trainee, practices fabricating partial dentures at the Medical Education and Training Campus on Joint Base San Antonio-Fort Sam Houston, Oct. 20, 2016. The course is one of several technical training courses that are tri-service with each class averaging approximately 7 Airmen, 6 Sailors and 8 Soldiers. (U.S. Air Force photo/Staff Sgt. Jerilyn Quintanilla)

Airman Joshua Terry, a dental laboratory apprentice course trainee, practices fabricating dentures at the Medical Education and Training Campus on Joint Base San Antonio-Fort Sam Houston, Oct. 20, 2016. The 6-month technical training course is comprised of 5 different courses, each of which focuses on a specific skill set. While in training, the students are assigned to the 381st Training Squadron. (U.S. Air Force photo/Staff Sgt. Jerilyn Quintanilla)