The application of 3D printing in the medical field is gradually expanding, and surgeons can help them prepare complex operations through 3D printed medical models. In addition, the application of this technology in the field of plastic surgery is also very optimistic. Recently, a group of Australian plastic surgeons used this technology to create a realistic left ear prosthesis for Ms. Colleen Murray. Ms. Murray lost most of her left ear in a car accident 55 years ago. The doctors printed a silicon left ear prosthesis based on the mirrored version of her right ear 3D and successfully installed it. Ms. Murray is the first person in Australia to install 3D printed ears. When she first saw the full face of the prosthesis, she couldn't help but cry. The quality of the prosthesis is so good that it is almost impossible for others to tell the truth. Although the prosthetic ear is nothing new, the results of this 3D printing are different. The previous prosthesis was only hand-cut, and this time a group of medical scientists led by restoration expert Brenton Cadd did a 3D scan of Ms. Murray's right ear. The scan is then mirrored and then 3D printed accordingly. In this way, a silicon prosthesis is completed. “The shape of the prosthesis is better, the size is the same as the right ear, all thanks to 3D printing,†Dr. Cadd told reporters.
Cosmetics are a mixture of various raw materials processed by reasonable allocation. There are many kinds of cosmetics with different properties. According to the cosmetic raw material performance and use, can be divided into two categories of substrate raw materials and auxiliary raw materials. The former is a kind of main raw material of cosmetics, which occupies a large proportion in cosmetics formula and plays a major role in cosmetics. The latter play a role in shaping, stabilizing, or imbuing cosmetics with color, fragrance and other properties that are extremely important in small amounts in cosmetic formulations. Cosmetics is with natural, synthetic or extract all sorts of action different material as raw material, via heating, agitation and emulsification wait for production program processing and become chemical mixture material.
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