Abstract: A process for producing a bone complement to to be carried out as a pre-operatory surgical procedure that includes the following steps: a) submitting the patient to a computerized tomography scan, in order to obtain images of the site of the defect to be grafted; b) analyzing the images obtained in a specific software; c) after the evaluation and diagnosis through the images, promoting the virtual treatment of the defect through a specific image manipulation software; d) transferring the manipulated images to 3D prototype producing equipment; e) generating the bone complement in a biomaterial; and f) promoting the cellular enrichment of the bone complement.