Now, there is a new step ahead in medical 3D printing. North Korea has demonstrated its most recent inventions. The country has unveiled a new range of 3D printers that can reproduce bones which can be used in dentistry and cosmetic surgery. This new invention has come up as a good news for the doctors across the world. As per KCTV news segment, the new invention will help the doctors to save time and improve the quality of complicated medical procedures.