Dental implant system comprising a dental implant (10) with a housing (16) for dental structural parts, wherein the housing (16) extends along a longitudinal axis of the dental implant (10) and at least a first and at least a second dental structural part (30a, 30b) that can be attached to the dental implant (10) of choice, wherein the structural parts (30a, 30b) comprise in each case a joint area (34a, 34b) that can axially implanted in the housing (16), wherein - the housing (16) comprises at least one cylindrical wall segment (20) and the dental implant (10) has a seating surface (26) perpendicular to the longitudinal axis, of such such that a corresponding first structural part (30a) can be supported radially on the at least one segment of cylindrical wall (20) and axially on the seating surface (26)； - the housing (16) further comprises at least one segment of the frustoconical wall (18), in which a corresponding second structural part (30b) can be supported radially and axially； - the joining area (34a) of the at least one first structural part (30a) comprises at least one cylindrical wall segment (36a) and a seating surface (42) perpendicular to the longitudinal axis, such that the segments of Corresponding cylindrical walls (20, 36a) of the housing (16) and of the joining area (34a) mutually engage in positive shape connection and the corresponding seating surfaces (26, 42) make mutual contact when the first structural part (30a ) joins the dental implant (10)； - the junction zone (34b) of the at least one second structural part (30b) comprises at least one frustoconical wall segment (44), such that the corresponding frustoconical wall segments (18, 44) of the housing (16 ) and of the joint zone (34b) mutually engage in positive junction so that the second structural part (30b) joins the dental implant (10)； - the housing (16) comprises a segment (22) that is used as protection against rotation, in which a corresponding segment (38a, 38b) of the first and /
