A processing machine for the production of a dental workpiece from a blank, comprising a housing in which a first chamber and a second chamber are arranged, the second chamber being separate from the first chamber, a first holding device for a blank, the first holding device being arranged in the first chamber and being movable relative to the housing, a second holding device for a blank, the second holding device being arranged in the second chamber and being movable relative to the housing, and a processing device being movable relative to the housing, wherein a blank held in the first holding device and a blank held in the second holding device can be processed by the processing device.
