Korean Central Television (KCTV) recently revealed some footages that showed Pyongyang University of Science and Technology, North Korea, giving demonstration of their own 3D printer to reporters, with the statement that it can print bone for dental and cosmetic surgery procedures. Apart from that, KCTV showed two documents they stated were a “patent of certification” and a certification of assessment from the “intellectual products exhibition”.
Source: https://www.nknews.org/2016/08/north-korea-shows-3d-printer-for-cosmetic-dental-use/