Solid free form fabrication techniques can be utilized indirectly to manufacture substrates, dies, models, near-net shapes, shells, and wax-ups that are then used in the manufacture of dental articles. Digital light processing is the most preferred indirect method for the production of substrates. After...http://www.google.com/patents/US20050023710?utm_source=gb-gplus-sharePatent US20050023710 - Solid free-form fabrication methods for the production of dental restorations
