The present invention relates to a mounting element (10) for fixing removable tooth prostheses which are anchored by an implant, comprising a lower end (13) for fastening the mounting elements (10) having an implant (21) or abutment； and an upper end for connecting the mounting element having a tooth prosthesis, optionally a friction insert； characterised in that the main body of the mounting element (10) has an outer ring (11).
