Multimaterial Printing: On the Horizon?

3D printing has been well established in the dental industry for several years, with the leading technology so far being Digital Light Processing (DLP). However, most current technologies focus on single-material printing. This can be limiting for the type of work dental laboratories perform because it does not allow for multiple shades or multiple physical properties within a single print. 3D printed dentures offer a perfect example of this limitation: For a full 3D printed denture, the process involves printing the base and the teeth separately and then curing them together. In order to achieve any sort of shading, the teeth must be stained by hand. Ideally, this could be accomplished in a single print...

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