Medical apparatus for use in surgery; medical apparatus for use in surgical procedures, namely, reconstruction, repair and augmentation of craniofacial bones; articles for medical use, namely, surgical implants and prostheses for reconstruction, repair and augmentation of craniofacial bones; medical devices for use in implantology, namely, surgical implants comprised of artificial material; medical implants consisting of artificial materials; medical prostheses for reconstruction, repair and/or augmentation of the craniofacial bones; facial and cranial prostheses for medical treatment