Computer user interface for orthodontic use

• US 6,664,986 B1
• Filed: 05/30/2000
• Issued: 12/16/2003
• Est. Priority Date: 05/20/1997
• Status: Expired due to Term

• Current Assignee: Align Technology Incorporated
• Original Assignee: Cadent Ltd (Align Technology Incorporated)
• Inventors: Kopelman, Avi, Nissenbaum, Baruch
• Primary Examiner(s): Cabeca, John
• Assistant Examiner(s): Pillai, Namitha
• Application Number:
  US09/424,167
• Time in Patent Office: 1,295 Days
• Field of Search: 345/419, 345/653, 345/581, 345/619, 345/849, 345/848, 345/815, 433/213, 433/68, 378/38, 348/66
• US Class Current: 715/849
• CPC Class Codes: A61C 9/0046 Data acquisition means or methods
• CPC Class Codes: G06T 19/20 Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
• CPC Class Codes: G06T 2200/24 involving graphical user interfaces [GUIs]
• CPC Class Codes: G06T 2219/2016 Rotation, translation, scaling

Abstract

In a computer system that includes a Central Processing Unit and an associated input device, storage device and display device, a method for displaying on the display device a virtual three-dimensional (3D) dental model at desired preset views, for orthodontic use. The virtual 3D dental model is stored on the storage device and is indicative of a 3D structure of an individual'"'"'s dental arches. The method includes the steps of providing a graphic user interface (GUI) that includes a graphic representation of the dental model and a plurality of graphic symbols each representative of a desired pre-set view of the dental model from a desired direction. Selecting through the input device graphic symbol from among the plurality of graphic symbols. Moving the dental model to a pre-set view which corresponds to the graphic symbol, whilst retaining the model in zoom.

Claims

1. A method for displaying a virtual three dimensional (3D) dental model at desired pre-set views, for orthodontic use on a display device of a computer system comprising a Central Processing Unit, an associated input device, storage device and said display device, the virtual 3D dental model being stored on said storage device and being indicative of at least a 3D structure of an individual'"'"'s dental arches, the method comprising the steps of:

(a) providing a graphic user interface (GUI) that includes a graphic representation of the dental model and a plurality of graphic symbols, each representative of at least one desired pre-set view of the dental model or a portion thereof from respective desired directions, said plurality of graphic symbols corresponding to respective front view of the model and other pre-set views which are shifted one with respect to the other, wherein at least several of said pre-set views correspond to views captured by virtual cameras positioned or moving along a coordinate system superimposed on a virtual closed two dimensional surface of 3D space that surrounds said dental model and is essentially concentric therewith;

(b) selecting through said input device a graphic symbol from among said plurality of graphic symbols;

(c) responsive to the selection of said graphic symbol, moving the dental model or portion thereof to at least one preset view which corresponds to said graphic symbol, whilst retaining the model essentially in zoom.

2. The method according to claim 1, wherein said two dimensional surface is a spherical surface.

3. The method according to claim 1, wherein said two dimensional surface is an ellipsoidal surface.

4. The method according to claim 1, further comprising at least one graphic symbol for facilitating continuous movement of the model, thereby attaining a succession of an indefinite number of pre-set views of said model.

5. The method according to claim 1, wherein said GUI is portrayed as an icon on said display device and the dental model stipulated in step (c) is portrayed on a separate window, on said display device.

6. The method according to claim 5, wherein further simultaneous respective pre-set views of said model or portion thereof, are portrayed on other windows.

7. The method according to claim 1, further comprising graphical symbols representative of either or both of open and close jaw preset views.

8. The method according to claim 1, further comprising indication as to the point in space from which the specified preset view is observed.

9. The method of claim 1, wherein at least several of said pre-set views correspond to views captured by virtual cameras positioned or moving along substantially at least two latitude lines and substantially meridian lines of a virtual closed two dimensional surface of 3D space that surrounds said dental model and is essentially concentric therewith.

10. The method of claim 9, wherein said GUI comprises

a minimized virtual 3D dental model encircled by a graphic symbol that constitutes a ring bearing plurality of graphic symbols indicative of respective pre-set views of the dental model, with each two consecutive views shifted one with respect to the other, along selected substantially latitude line;

said ring further bearing graphic symbols for respective clockwise and counter clockwise continuous rotation of the model between selected pre-set views along said substantially latitude line;

the GUI further including a vertical ring constituting a graphic symbol for altering the elevation of the model along selected substantially meridian line;

said vertical ring bearing graphic symbols for elevating the model in respective upward and downward elevation along said substantially meridian line.

11. The method according to claim 1, wherein said front view and said plurality of graphic symbols are shifted by 45°

with respect to each other.

12. The method according to claim 1, wherein said front view and said plurality of graphic symbols are shifted by 90°

with respect to each other.

13. A computer system comprising a Central Processing Unit and an associated input device, storage device and display device, the computer system being adapted to display on said display device virtual three dimensional (3D) dental model at desired pre-set views, for orthodontic use, the virtual 3D dental model being stored on said storage device and being indicative of at least a 3D structure of an individual'"'"'s dental arches;

the computer system comprising;

(a) a graphic user interface (GUI) that includes a graphic representation of the dental model and a plurality of graphic symbols each representative of at least one desired pre-set view of the dental model or a portion thereof from respective desired directions, said plurality of graphic symbols corresponding to respective front view of the model and other pre-set views which are shifted one with respect to the other, wherein at least several of said pre-set views correspond to views captured by virtual cameras positioned or moving along a coordinate system superimposed on a virtual closed two dimensional surface of 3D space that surrounds said dental model and is essentially concentric therewith;

(b) means responsive to activation of said input device for selecting a graphic symbol from among said plurality of graphic symbols;

(c) means responsive to the selection of said graphic symbol, for moving the dental model or portion thereof to at least one pre-set view which corresponds to said graphic symbol, whilst retaining the model essentially in zoom.

14. A computer system as in claim 13, wherein said two dimensional surface is a spherical or an ellipsoidal surface.

15. A computer system as in claim 13, further comprising at least one graphic symbol for facilitating continuous movement of the model, thereby attaining a succession of an indefinite number of pre-set views of said model.

16. A computer system as in claim 13, wherein said GUI is portrayed as an icon on said display device and said dental model is portrayed on a separate window, on said display device.

17. A computer system as in claim 13, wherein further simultaneous respective pre-set views of said model or position thereof are portrayed on other windows.

18. A computer system as in claim 13, further comprising graphical symbols representative of either or both of open and close jaw pre-set views.

19. A computer system as in claim 13, further comprising indication as to the point in space from which the specified pre-set view is observed.

20. A computer system as in claim 13, wherein at least several of said pre-set views correspond to views captured by virtual cameras positioned or moving along substantially at least two latitude lines and substantially meridian lines of a virtual closed two dimensional surface of 3D space that surrounds said dental model and is essentially concentric therewith.

21. A computer system as in claim 20, wherein said GUI comprises:

a minimized virtual 3D dental model encircled by a graphic symbol that constitutes a ring bearing plurality of graphic symbols indicative of respective pre-set views of the dental model, with each two consecutive views shifted one with respect to the other, along selected substantially latitude line;

said ring further bearing graphic symbols for respective clockwise and counter clockwise continuous rotation of the model between selected pre-set views along said substantially latitude line;

the GUI further including a vertical ring constituting a graphic symbol for altering the elevation of the model along selected substantially meridian line;

said vertical ring bearing graphic symbols for elevating the model in respective upward and downward elevation along said substantially meridian line.

22. A computer system according to claim 13, wherein said front view and said plurality of graphic symbols are shifted by 45°

with respect to each other.

23. A computer system according to claim 13, wherein said front view and said plurality of graphic symbols are shifted by 90°

with respect to each other.

24. A computer readable medium comprising instructions for causing a computer system comprising a Central Processing Unit and an associated input device, storage device and display device, to perform a method for displaying on said display device a virtual three dimensional (3D) dental model at desired pre-set views, for orthodontic use, the virtual 3D dental model being stored on said storage device and being indicative of at least a 3D structure of an individual'"'"'s dental arches, the method comprising the steps of:

(a) providing a graphic user interface (GUI) that includes a graphic representation of the dental model and a plurality of graphic symbols, each representative of at least one desired pre-set view of the dental model or a portion thereof from respective desired directions, said plurality of graphic symbols corresponding to respective front view of the model and other pre-set views which are shifted one with respect to the other, wherein at least several of said pre-set views correspond to views captured by virtual cameras positioned or moving along a coordinate system superimposed on a virtual closed two dimensional surface of 3D space that surrounds said dental model and is essentially concentric therewith,

(b) responsive to the selection of a graphic symbol from among said plurality of graphic symbols through said input device, moving the dental model or portion thereof to at least one pre-set view which corresponds to said graphic symbol, whilst retaining the model essentially in zoom.

25. A computer readable medium as in claim 24, said two dimensional surfaces being a spherical or an ellipsoidal surface.

26. A computer readable medium as in claim 24, further storing data for portraying said GUI as an icon on a display device and the dental model on a separate window, on said display device.

27. A computer readable medium as in claim 26, further storing data for simultaneously portraying, on other windows, further respective pre-set views of said model or portion thereof.

28. A computer readable medium as in claim 24, further storing data for displaying graphical symbols representative of either or both of open and closed jaw pre-set views.

29. A computer readable medium as in claim 24, further storing data for indicating as to the point in space from which the specified pre-set view is observed.

30. A computer readable medium as in claim 24, wherein at least several of said pre-set views correspond to views captured by virtual cameras positioned or moving along substantially at least two latitude lines and substantially meridian lines of a virtual closed two dimensional surface of 3D space that surrounds said dental model and is essentially concentric therewith.

31. A computer readable medium as in claim 30, further storing data for displaying:

a minimized virtual 3D dental model encircled by a graphic symbol that constitutes a ring bearing plurality of graphic symbols indicative of respective pre-set views of the dental model, with each two consecutive views shifted one with respect to the other, along selected substantially latitude line;

said ring further bearing graphic symbols for respective clockwise and counter clockwise continuous rotation of the model between selected pre-set views along said substantially latitude line;

the GUI further including a vertical ring constituting a graphic symbol for altering the elevation of the model along selected substantially meridian line;

said vertical ring bearing graphic symbols for elevating the model in respective upward and downward elevation along said substantially meridian line.

32. A computer readable medium according to claim 24, wherein said front view and said plurality of graphic symbols are shifted by 45°

with respect to each other.

33. A computer readable medium according to claim 24, wherein said front view and said plurality of graphic symbols are shifted by 90°

with respect to each other.