Systems and methods are disclosed to prevent interference between two physical tooth models in a physical dental arch model by acquiring the coordinates of a plurality of points on the surfaces of each of the two physical tooth models and digitally representing the surfaces of each of the two physic
Systems and methods are disclosed to prevent interference between two physical tooth models in a physical dental arch model by acquiring the coordinates of a plurality of points on the surfaces of each of the two physical tooth models and digitally representing the surfaces of each of the two physical tooth models by a mesh of points in three dimensions using the acquired coordinates. The meshes representing the surfaces of the two physical tooth models intersect at least at one point to form an overlapping portion. The method also includes calculating the depth of the overlapping portion between the two meshes to quantify the interference of the two physical tooth models.
대표청구항▼
1. A method for determining and preventing interference between two or more physical tooth models to be mounted to a physical dental arch model, the method comprising: receiving digital representations of the physical dental arch model and the two or more physical tooth models, wherein the physical
1. A method for determining and preventing interference between two or more physical tooth models to be mounted to a physical dental arch model, the method comprising: receiving digital representations of the physical dental arch model and the two or more physical tooth models, wherein the physical dental arch model comprises one or more receiving features and wherein each of the two or more physical tooth models comprises one or more registration features that interface with the one or more receiving features when the two or more physical tooth models are mounted to the physical dental arch model;determining, based on the digital representations, an interference between the two or more physical tooth models when mounted to the physical dental arch model caused by a first configuration of one or more of: (1) the one or more registration features of at least one of the two or more physical tooth models, or (2) the one or more receiving features of the physical dental arch model; andmodifying the first configuration to a second different configuration so as to prevent the interference between the two or more physical tooth models when mounted to the physical dental arch model. 2. The method of claim 1, wherein the digital representations comprise meshes representing surfaces of the physical dental arch model and the two or more physical tooth models. 3. The method of claim 2, wherein determining the interference comprises determining that the meshes representing the surfaces of the two or more physical tooth models intersect at one or more points to form an overlapping portion. 4. The method of claim 3, further comprising calculating depth of the overlapping portion to quantify the interference between the two or more physical tooth models. 5. The method of claim 1, wherein modifying the first configuration to the second different configuration comprises adjusting at least one of a position or an orientation of at least one of the two or more physical tooth models when mounted to the physical dental arch model. 6. The method of claim 1, wherein modifying the first configuration to the second different configuration comprises modifying at least one of the one or more registration features of at least one of the two or more physical tooth models. 7. The method of claim 1, wherein modifying the first configuration to the second different configuration comprises modifying at least one of the one or more receiving features of the physical dental arch model. 8. The method of claim 1, further comprising outputting data for fabricating the two or more physical tooth models having the one or more registration features. 9. The method of claim 1, wherein the one or more receiving features comprise one or more of a pin, a registration slot, a socket, a notch, a protrusion, a hole, an interlocking mechanism, a jig, a pluggable feature, or an attachable feature. 10. The method of claim 1, wherein the one or more registration features comprise one or more of a pin, a registration slot, a socket, a notch, a protrusion, a hole, an interlocking mechanism, a jig, a pluggable feature, or an attachable feature. 11. The method of claim 1, wherein the one or more registration features interface with the one or more receiving features to constrain each of the two or more physical tooth models to a respective predetermined position and orientation on the physical dental arch model. 12. A system for determining and preventing interference between two or more physical tooth models to be mounted to a physical dental arch model, the system comprising: one or more processors; andmemory comprising instructions executable by the one or more processors to cause the system to at least: receive digital representations of the physical dental arch model and the two or more physical tooth models, wherein the physical dental arch model comprises one or more receiving features and wherein each of the two or more physical tooth models comprises one or more registration features that interface with the one or more receiving features when the two or more physical tooth models are mounted to the physical dental arch model,determine, based on the digital representations, an interference between the two or more physical tooth models when mounted to the physical dental arch model caused by a first configuration of one or more of: (1) the one or more registration features of at least one of the two or more physical tooth models, or (2) the one or more receiving features of the physical dental arch model, andmodify the first configuration to a second different configuration so as to prevent the interference between the two or more physical tooth models when mounted to the physical dental arch model. 13. The system of claim 12, wherein the digital representations comprise meshes representing surfaces of the physical dental arch model and the two or more physical tooth models. 14. The system of claim 13, wherein the interference is determined by at least determining that the meshes representing the surfaces of the two or more physical tooth models intersect at one or more points to form an overlapping portion. 15. The system of claim 14, wherein the instructions further cause the system to calculate depth of the overlapping portion to quantify the interference between the two or more physical tooth models. 16. The system of claim 12, wherein the first configuration is modified to the second different configuration by at least adjusting at least one of a position or an orientation of at least one of the two or more physical tooth models when mounted to the physical dental arch model. 17. The system of claim 12, wherein the first configuration is modified to the second different configuration by at least modifying at least one of the one or more registration features of at least one of the two or more physical tooth models. 18. The system of claim 12, wherein the first configuration is modified to the second different configuration by at least modifying at least one of the one or more receiving features of the physical dental arch model. 19. The system of claim 12, wherein the instructions further cause the system to output data for fabricating the two or more physical tooth models having the one or more registration features. 20. One or more non-transitory computer-readable storage media having stored thereon executable instructions that, when executed by one or more processors of a computer system, cause the computer system to at least: receive digital representations of a physical dental arch model and two or more physical tooth models, wherein the physical dental arch model comprises one or more receiving features and wherein each of the two or more physical tooth models comprises one or more registration features that interface with the one or more receiving features when the two or more physical tooth models are mounted to the physical dental arch model;determine, based on the digital representations, an interference between the two or more physical tooth models when mounted to the physical dental arch model caused by a first configuration of one or more of: (1) the one or more registration features of at least one of the two or more physical tooth models, or (2) the one or more receiving features of the physical dental arch model; andmodify the first configuration to a second different configuration so as to prevent the interference between the two or more physical tooth models when mounted to the physical dental arch model.
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이 특허에 인용된 특허 (151)
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