In order to improve the precision and manufacturing convenience of dental restoration, the present invention provides a 3D working image obtained by matching surface information and internal tissue information of the target arch is loaded into the planning unit, and is virtual within the restoration area set in the 3D working image. A first step in which the three-dimensional appearance information of the teeth is virtually arranged; A plurality of fixture images and abutment images are classified according to selection items for each tooth, and fixture images and abutment images matching the restoration area are extracted from a digital library stored in advance, and the abutment image is extracted to correspond to preset placement information. a second step of virtual arrangement on a three-dimensional work image; And the design information of the prosthesis set based on the external contour information of the virtual tooth is set by swapping the contour of the inner shape-matching part with the upper part external information of the abutment image superimposed on the inside of the virtual tooth to the manufacturing device. Provided is a method for manufacturing a prosthesis for dental implants using a digital library including a third step of being transmitted and manufacturing a real prosthesis.
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