Abutment for a dental implant including an apical base portion equipped with profiled sections, a rotationally symmetrical transition portion bordering coronally on the base portion, a section bordering coronally on the transition portion and equipped with a wave-shaped rim, and an occlusal portion bordering coronally on the transition portion, the occlusal portion not being configured circular symmetric, a shoulder of irregular width is formed between the upper rim of section and the lower rim of the occlusal portion, the variation in width of the shoulder increasing from a minimum width to a maximum width by about 30% to 150% with respect to the minimum width of the shoulder.