Patent ID: 8267687

Claim:
A casting abutment for a dental implant, said casting abutment comprising: an apical socket portion; a transition portion bordering coronally on the socket portion; and an occlusal portion bordering coronally on the transition portion, the occlusal portion comprising a coronal end and an apical circumferential collar area, the collar area being provided with an outwardly extending circumferential platform having a greater diameter than said coronal end and with at least two adjacent circumferential step areas apical of the circumferential platform and extending radially outward therefrom, wherein the circumferential platform extends between an outer edge and a medial edge, the medial edge bordering on an outer edge of the coronal end for allowing wax to be supported on the circumferential platform, wherein the circumferential platform is completely unobstructed in the occlusal direction between the outer edge of the circumferential platform and the medial edge of the circumferential platform, wherein the at least two adjacent circumferential step areas comprises a first step area and a second step area, the second step area lying apically adjacent in respect to the first step area and wherein the smallest diameter of the second step area is no smaller than the largest diameter of the first step area.