Abstract: The present invention provides a positioning device for setting implanted bearing dental prostheses in the maxillary bone or for bone grafting on the maxillary bone, including positioning interim dentures along two dimensions, a positioning member along the third dimension, structure for fixing the positioning member on the interim dentures in a specific axial position, a linking member provided with an axial nesting surface, matching a nesting surface of the positioning member, with a surface designed to be fixed to a guide element or a prosthetic element.

Abstract: The invention concerns a positioning device for setting implanted bearing dental prostheses in the maxillary bone or for bone grafting on the maxillary bone, comprising positioning interim dentures (1) along two dimensions, a positioning member (4) along the third dimension, means (5) for fixing said positioning member (4) on said interim dentures (1) in a specific axial position, a linking member (6) provided with an axial nesting surface, matching a nesting surface of said positioning member (4) and with a surface designed to be fixed to a guide element (7, 7′) or a prosthetic element.