The utility model discloses an implant superstructure restoration body. The fixing device comprises a retaining screw planted in bone tissue of a patient, the retaining screw is in threaded connectionwith a base station; technical key points are that: the device is characterized by comprising a bracket, the abutment is in threaded connection with a metal inner crown; a porcelain-fired dental crown is arranged on the outer side wall of the metal inner crown; a plurality of clamping pieces for connecting the outer side wall of the metal inner crown with the inner side wall of the porcelain-fired dental crown are vertically arranged between the outer side wall of the metal inner crown and the inner side wall of the porcelain-fired dental crown; the clamping piece comprises a clamping block connected with the outer wall of the metal inner crown, a clamping groove matched with the clamping block in a clamped mode is concavely formed in the inner side wall of the porcelain crown, the outerwall of the metal inner crown is attached to the outer wall of the porcelain crown, and the position between the outer wall of the metal inner crown and the inner wall of the porcelain crown is further coated with an adhesive for connecting the outer wall of the metal inner crown and the porcelain crown. The upper structure restoration body has the advantages of being good in connection strength and high in collapse resistance.