A superstructure for oral, dental and maxillofacial prostheses, of the type consisting of a bridge with at least one anchoring dental element (2,3) and at least one intermediate dental element (8), wherein said intermediate dental element (8) has an internal emptying of material, suitable for forming a closed cavity (9) inside the same element (8). With respect to the known technology in the field, the superstructure of the invention offers the advantage of being lighter, more comfortable and less bothersome for the user, thanks to the substantial reduction in weight due to the smaller quantities of material used for producing it.