The invention relates to a dental implant comprising an implant adapter and a suprastructure, in which said implant adapter is coronally arched in at least some sections and said suprastructure is apically arched in at least some sections, the apical curvature of the suprastructure being convex and the coronal curvature of the implant adapter being concave, or the apical curvature of the suprastructure being concave and the coronal curvature of the implant adapter being convex, with the concave curvature being more pronounced than the convex curvature. As a result, when the dental implant has been assembled, the suprastructure is connected to said implant adapter by a cutting edge.