Dental implant system comprising - a separate abutment and, for replacing the abutment, a replacement abutment, and - a tooth implant, wherein the abutment is attachable or attached to the tooth implant, having - an insertion section which is configured for anchoring in a jawbone and is provided with a screw thread or nail thread, and having - a multifunctional section which adjoins the insertion section in the coronal direction and which has a first cone which tapers in the coronal direction, and having - an attachment section which adjoins the multifunctional section in the coronal direction and which has a second cone which tapers in the coronal direction and is formed as a coronal projection, wherein - the first cone and the second cone have the same cone angle and a common smooth lateral surface, wherein - an external cone connection is provided between the second cone and the abutment, wherein - the second cone forms the seat of the abutment, from which an apical end, as seen in the direction of a dental implant axis, extends to a first level on the dental implant, wherein the first cone extends between the first level and a second level on the dental implant, which level is related to the dental implant axis and at which the insertion section begins, wherein - the replacement abutment extends apically beyond the second cone into the first cone as seen in the axial direction of the dental implant axis, wherein the replacement abutment contacts the dental implant over the axial extension of the second cone and additionally over at least a portion of the axial extension of the first cone, wherein the apical end of the replacement abutment, as seen in the direction of the dental implant axis, can extend up to the second level, characterised in that the replacement abutment is longer than the abutment as seen in the axial direction. - a separate abutment and, for replacing the abutment, a replacement abutment, and - a tooth implant, wherein the abutment is attachable or attached to the tooth implant, having - an insertion section which is configured for anchoring in a jawbone and is provided with a screw thread or nail thread, and having - a multifunctional section which adjoins the insertion section in the coronal direction and which has a first cone which tapers in the coronal direction, and having - an attachment section which adjoins the multifunctional section in the coronal direction and which has a second cone which tapers in the coronal direction and is formed as a coronal projection, wherein - the first cone and the second cone have the same cone angle and a common smooth lateral surface, wherein - an external cone connection is provided between the second cone and the abutment, wherein - the second cone forms the seat of the abutment, from which an apical end, as seen in the direction of a dental implant axis, extends to a first level on the dental implant, wherein the first cone extends between the first level and a second level on the dental implant, which level is related to the dental implant axis and at which the insertion section begins, wherein - the replacement abutment extends apically beyond the second cone into the first cone as seen in the axial direction of the dental implant axis, wherein the replacement abutment contacts the dental implant over the axial extension of the second cone and additionally over at least a portion of the axial extension of the first cone, wherein the apical end of the replacement abutment, as seen in the direction of the dental implant axis, can extend up to the second level,