4D printing is an advance of 3D printing technology that uses a similar production approach with the exception of the materials used in the production process. It is the most recent medical technology that will transform the artificial organs and prosthetics industry. The fourth dimension of 4D printing is time and shape of the result that can vary over time, as opposed to the third dimension of 3D printing. 4D printed models have the advantage of being able to alter the shape of a 3D printed model after it has been published.PDF Copy at: https://www.theinsightpartners.com/sample/TIPRE00007620/?utm_source=FreePlatform&utm_medium=10381