Method of generating a three-dimensional digital radiological volume topography recording of a patient's body part

1. A method for generating a radiologic three-dimensional digital volume tomography image of a patient's jaw for use in planning a dental implant, the method comprising:

fixing a marker support to the patient's jaw, wherein the marker support is provided with a non-radioopaque support body in which at least 10 spherical radioopaque marker elements are affixed as a grid, and wherein at least one of a nominal size S and a nominal distance D of the spherical radioopaque marker elements to each other is known;

image recording the jaw with a digital volume tomography device so as to generate a three-dimensional raw image of the patient's jaw;

measuring at least one of a size S′ and a distance D′ of the spherical radioopaque marker elements in the three-dimensional raw image;

generating an aberration value by comparing at least one of the size S′ and the distance D′ of the spherical radioopaque marker elements in the three-dimensional raw image with the respective at least one of the nominal size S and the nominal distance D of the spherical radiopaque marker elements; and

correcting the three-dimensional raw image with the aberration value so as to generate an exact radiologic three-dimensional digital volume tomography image of the patient's jaw;

wherein, each spherical radioopaque marker element has a constant nominal distance D to each neighboring spherical radioopaque marker.

2. The method as recited in claim 1 , wherein the marker support is fixed to a patient's mouth.

3. The method as recited in claim 1 , wherein the correcting of the three-dimensional raw image with the aberration value is a size correction of the three-dimensional raw image with the distance D′ in relation to the nominal distance D of the spherical radiopaque marker elements.

4. The method as recited in claim 3 , wherein each spherical radioopaque marker element has a constant nominal distance D of a maximum of 3.0 cm to a neighboring spherical radioopaque marker element, wherein the aberration value is a local aberration value, and wherein more than one size correction is performed locally with the local aberration value.

5. The method as recited in claim 4 , wherein three neighboring spherical radioopaque marker elements respectively form an equilateral triangle.

6. The method as recited in claim 1 , further comprising providing a quality indicator value, whereby the quality indicator value is based on a difference of the size S′ to the nominal size S of the spherical radioopaque marker elements.

7. The method as recited in claim 1 , wherein the spherical radioopaque marker elements are arranged in at least two transversal planes.

8. The method as recited in claim 1 , wherein a radioopacity of the spherical radioopaque marker elements is different, and further comprising:

calibrating a brightness of the three-dimensional raw image based on known different radioopacity values of the spherical radioopaque marker elements.

9. The method as recited in claim 1 , wherein the spherical radioopaque marker elements are provided inside a dental arch.

10. The method as recited in claim 9 , wherein at least one spherical radioopaque marker element is provided outside of a patient's mouth.

11. The method as recited in claim 9 , wherein at least one spherical radioopaque marker element is provided outside the dental arch.

12. The method as recited in claim 11 , wherein at least one spherical radioopaque marker element is provided outside of a patient's mouth.

13. The method as recited in claim 1 , wherein the spherical radioopaque marker elements are arranged in at least one of two planes and with an H-shaped cross-section.

14. The method as recited in claim 1 , wherein the correcting the three-dimensional raw image with the aberration value performs at least one local size correction.