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