There is provided a subperiosteal implant for dental prosthesis for edentulous alveolar ridge fixation, the implant comprising a biocompatible baseplate being anatomically contoured and perforated for submucosal implantation and fixation to the alveolar bone； and at least one transmucosal abutment protruding from the baseplate for the fixation of dental prosthesis thereto. There is also provided a method of implanting the subperiosteal jaw comprising forming an alveolar crest incision, insertion of the subperiosteal jaw implant via the alveolar crest incision and stitching the alveolar crest incision closed leaving the at least one transmucosal abutment protruding for affixation of a dental prosthesis thereto.
