A measuring device (3) is attached to the top of the basic implant (2) suitable for the determination of the position of the upper components to be attached at a later stage. A camera (6) is used for scanning the position of the implant (1) in relation to the axis (8) perpendicular in relation to the upper tooth surface of the adjacent teeth (4, 5) and a compensating angle is determined. A U-shaped element preventing fluids from interfering with the obtained data is positioned on top of the gum for the duration of the determination of the exact dimensions required for the operation of a CAM-device.