Air Force Airman 1st Class Colby Locke, 60th Dental Squadron dental laboratory technician, crafts a crown mold Jan. 22, 2021, at Travis Air Force Base, California. Locke and four other upgrade trainees learned the computer-aided design and manufacturing software that is used to print an entire dental cast.

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Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
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