Method and user interface for use in manufacturing multi-shaded dental restorations
Disclosed is a method, a system, and a user interface for determining a preferred relative arrangement of digital restoration designs and digital representations of multi-shaded milling blocks for use when manufacturing dental restorations from multi-shaded milling blocks. A preferred first relative arrangement of a first digital restoration design and a digital representation of a first multi-shaded milling block is determined, and therefrom a preferred second relative arrangement of a second digital restoration design and a digital representation of a second multi-shaded milling block is determined.
1. A method for determining a relative arrangement of digital restoration designs and digital representations of multi-shaded milling blocks for use when designing a left-right set of digital restoration designs from multi-shaded milling blocks for manufacturing restorations based on the digital restoration designs, the method comprising:
obtaining digital representations of a first and a second multi-shaded milling block, where each digital representation comprises shade data describing the shade distribution of the multi-shaded milling block, wherein the digital representations of the first and second multi-shaded milling blocks are identical and represent identical multi-shaded milling blocks;
obtaining a left and a right digital restoration design of the left-right set of dental restorations;
determining a first relative arrangement of one of the left or the right digital restoration designs with respect to the digital representation of the first multi-shaded milling block and combining the one digital restoration design with the digital representation of the first milling block in order to obtain a shade profile of a first dental restoration to be manufactured; and
determining a second relative arrangement of another of the left or the right digital restoration designs with respect to the digital representation of the second multi-shaded milling block by mirroring or copying the shade profile of the first relative arrangement in order to obtain a shade profile of a second dental restoration to be manufactured;
where determining the second relative arrangement comprises aligning a position of the digital representation of the second multi-shaded milling block with a position of the digital representation of the first multi-shaded milling block.
2. The method according to claim 1 , wherein determining the second relative arrangement comprises copying the first relative arrangement to the second relative arrangement.
3. The method according to claim 1 , wherein determining the first relative arrangement comprises adjusting the relative arrangement of the left digital restoration design and the digital representation of the first multi-shaded milling block while inspecting a simulated image.
4. The method according to claim 3 , wherein the simulated image at least partly created by mapping the shade data of the digital representation of the first multi-shaded milling block onto the left digital restoration design.
5. The method according to claim 3 , wherein the simulated image is at least partly created by superimposing the digital representations of the first and second milling blocks on the left and right digital restoration designs.
6. The method according to claim 1 , wherein the digital representations of the first and second multi-shaded milling blocks comprise both shade data describing the shade distribution and shape data describing the shape of the multi-shaded milling block.
7. The method according to claim 1 , wherein aligning the digital representation of the second multi-shaded milling block with the digital representation of the first multi-shaded milling block is based on the shade data of the digital representations.
8. The method according to claim 1 , wherein aligning the digital representation of the second multi-shaded milling block with the digital representation of the first multi-shaded milling block is based on shape data of the digital representations.
9. The method according to claim 1 , wherein one of the digital representations of the first and second multi-shaded milling blocks relate to a left geometry multi-shaded milling block while the other relates to a right geometry multi-shaded milling block.
10. The method according to claim 1 , wherein the shade distributions of the multi-shaded milling blocks comprise a number of layers of different shades, and where the shade data of the digital representations of the multi-shaded milling blocks comprises corresponding virtual layers.
11. The method according to claim 1 , wherein the second relative arrangement is determined after the first relative arrangement.
12. The method according to claim 1 , wherein the second relative arrangement is determined from the relative arrangement of the incisal edge/occlusal surface of the left digital restoration design and the opposing surface of the digital representation of the first multi-shaded milling block in the first relative arrangement.
13. The method according to claim 1 , wherein determining the second relative arrangement comprises providing an offset to the digital representation of the second multi-shaded milling block relative to the digital representation of the first multi-shaded milling block and/or relative to the left digital restoration design.
14. The method according to claim 1 , where determining the second relative arrangement at least partly is performed by computer implemented algorithms executed by an electronic data processing device.
15. The method according to claim 1 , wherein at least one of the digital representations of the multi-shaded milling blocks is a digital 3D representation describing the 3D shape and shade distribution of another of the milling blocks.
16. The method according to claim 1 , wherein determining the first relative arrangement of the left digital restoration design and the digital representation of the first multi-shaded milling block includes adjusting a relative arrangement of the left digital restoration design and the digital representation of the first milling block.
17. The method according to claim 1 , wherein determining the second relative arrangement comprises mirroring the first relative arrangement to the second relative arrangement.
18. The method according to claim 1 , wherein aligning the digital representation of the second multi-shaded milling block with the digital representation of the first multi-shaded milling block is based on an edge or surface of the digital representations of the milling blocks.
19. A user interface for determining a relative arrangement of digital restoration designs and digital representations of multi-shaded milling blocks for use when manufacturing a left-right set of dental restorations from multi-shaded milling blocks, where the user interface is configured for:
obtaining digital representations of a first and a second multi-shaded milling block, where each digital representation comprises shade data describing the shade distribution of the multi-shaded milling block, wherein the digital representations of the first and second multi-shaded milling blocks are identical and represent identical multi-shaded milling blocks;
obtaining a left and a right digital restoration design of the left-right set of dental restorations;
visualizing at least the left digital restoration design and at least the shade data of the digital representation of the first multi-shaded milling block;
determining a first relative arrangement of one of the left or the right digital restoration designs with respect to the digital representation of the first multi-shaded milling block and combining the one digital restoration design with the digital representation of the first milling block in order to obtain a shade profile of a first dental restoration to be manufactured; and
determining a second relative arrangement of another of the left or the right digital restoration designs with respect to the digital representation of the second multi-shaded milling block by mirroring the shade profile of the first relative arrangement in order to obtain a shade profile of a second dental restoration to be manufactured;
where determining the second relative arrangement comprises aligning a position of the digital representation of the second multi-shaded milling block with a position of the digital representation of the first multi-shaded milling block.
20. The user interface according to claim 19 , wherein aligning the digital representation of the second multi-shaded milling block with the digital representation of the first multi-shaded milling block is based on an edge or a surface of the multi-shaded milling blocks.
21. The user interface according to claim 19 , wherein determining the first relative arrangement of the left digital restoration design and the digital representation of the first multi-shaded milling block includes adjusting a relative arrangement of the left digital restoration design and the digital representation of the first milling block.
22. A method for determining a relative arrangement of digital restoration designs and digital representations of multi-shaded milling blocks for use when manufacturing a left-right set of dental restorations from multi-shaded milling blocks, the method comprising:
obtaining digital representations of a first multi-shaded milling block and a second multi-shaded milling block, where each digital representation comprises shade data describing the shade distribution of the multi-shaded milling block, wherein the digital representations of the first and second multi-shaded milling blocks are identical and represent identical multi-shaded milling blocks;
obtaining a left and a right digital restoration design of the left-right set of dental restorations;
visualizing at least the left digital restoration design and at least the shade data of the digital representation of the first multi-shaded milling block;
determining a first relative arrangement of one of the left or the right digital restoration designs with respect to the digital representation of the first multi-shaded milling block and combining the one digital restoration design with the digital representation of the first milling block in order to obtain a shade profile of a first dental restoration to be manufactured;
determining a second relative arrangement of another of the left or the right digital restoration designs with respect to the digital representation of the second multi-shaded milling block by mirroring the shade profile of the first relative arrangement in order to obtain a shade profile of a second dental restoration to be manufactured;
where determining the second relative arrangement comprises aligning a position of the digital representation of the second multi-shaded milling block with a position of the digital representation of the first multi-shaded milling block; and
wherein aligning the digital representation of the second multi-shaded milling block with the digital representation of the first multi-shaded milling block is based on an edge or a surface of the multi-shaded milling blocks.