The invention concerns a single tooth implant for a fixed tooth replacementhaving asubstantially cylindrical base body which can be inserted into a bore made ina jaw bone, anabutment which can be inserted into the annular recess of the base body andhaving a bore forreceiving a holding screw and a fixing head for the tooth replacement, and aholding screwwhich can be inserted into the blind bore in the base body and which passesthrough theabutment.