Patent ID: 6905293

Claim:
Automatic machine tool for production of basic structures for dental prostheses of precise three-dimensional shape, which basic structures can be attached to prepared natural and/or artificial dental stumps, where the machine tool has a frame means, a workpiece carrier with one common rotation shaft having an axis L for a blank, at least one digitisation unit, at least one machining unit and an electronic calculating and control unit for all drive elements, wherein at least one of the workpiece carrier for the blank and a dental preparation model on the one hand and the machining unit and the digitisation unit on the other hand are on a common movable unit with three linear translation axes in the x, y and z direction, and wherein the one common rotation shaft has on either end clamping means for securing the blank on one end and the dental preparation model on the other end, respectively, wherein the blank and the dental preparation model project from the ends along the axis L and lie on and rotate about the axis L.