A scanning body system for determining a positioning and orientation of a dental implant, including a base part, an interface, and a scanning part which has a three-dimensional scanning contour and is rigidly connected to the base part to form a scanning body, and a fastening screw, provided for fastening the scanning body in the dental implant. Provision is made that the base part and/or the fastening screw are provided with at least one mechanical retention arrangement, which holds the fastening screw securely in the scanning body after insertion into the scanning body through a passage of the scanning part.