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US 11,304,785 B2Granted
System and method for scanning an intraoral cavity
AssigneeAlign Technology, Inc.
InventorsAvi Kopelman, Eldad Taub, Noam Babayoff
Life of this patent
Estimating the term…
Abstract
According to the invention, a method and system are provided for scanning, and for facilitating scanning of, an intraoral cavity. The target parts of the intraoral cavity that it is desired to have scanned are identified, and the spatial s relationships between a scanning device and the target parts of the intraoral cavity suitable for enabling said target parts to be scanned by said scanning device, are also identified or otherwise determined. These relationships are then displayed, and the displayed relationships are used as a guide for scanning the intraoral cavity.
Claims17
A system for scanning an intraoral cavity for providing 3D data thereof, the system comprising:
- an intraoral scanning device;
- a processor, wherein the processor is configured to
- identify target parts of the intraoral cavity separate from ancillary parts of the intraoral cavity;
- generate a plurality of spatial relationships between the intraoral scanning device and the target parts and the ancillary parts, wherein the spatial relationships are determined for enabling 3D data of the target parts to be obtained by subsequently scanning the target parts and the ancillary parts by the intraoral scanning device;
- and
- stitch the 3D data together to provide a composite 3D virtual model comprising 3D data configured for display on a display screen, wherein 3D scan data for the target parts are configured to be displayed at a first resolution and 3D scan data for the ancillary parts are configured to be displayed at a second resolution, wherein the first resolution is higher than the second resolution;
- and
- the display screen, wherein the display screen is configured to receive and display the 3D virtual model.
5 more elements
A system for scanning an intraoral cavity for providing 3D data thereof, the system comprising:
- an intraoral scanning device;
- a processor, wherein the processor is configured to
- identify target parts of the intraoral cavity separate from ancillary parts of the intraoral cavity;
- generate a plurality of spatial relationships between the intraoral scanning device and the target parts and the ancillary parts, wherein the spatial relationships are determined for enabling 3D data of the target parts to be obtained by subsequently scanning the target parts and the ancillary parts by the intraoral scanning device;
- and
- stitch the 3D data together to provide a composite 3D virtual model comprising 3D data configured for display on a display screen, wherein 3D scan data for the target parts are configured to be displayed at a first resolution and 3D scan data for the ancillary parts are configured to be displayed at a second resolution, wherein the first resolution is higher than the second resolution;
- and
- the display screen, wherein the display screen is configured to receive and display the 3D virtual model;
- wherein generating the plurality of spatial relationships comprises, for each target part and each ancillary part, determining for the scanning device a series of spatial parameters, each comprising a scanning station data sufficient for enabling the scanner to fully scan the corresponding target part or ancillary part;
- and
- wherein the scanning station data of the series of spatial parameters includes a proximity and a relative orientation of the scanner with respect to the target part or ancillary part such as to enable the scanner to obtain 3D topographical data of an area of the target part or ancillary part.
8 more elements
A system for scanning an intraoral cavity for providing 3D data thereof, the system comprising:
- an intraoral scanning device;
- a processor, wherein the processor is configured to
- identify target parts of the intraoral cavity separate from ancillary parts of the intraoral cavity;
- generate a plurality of spatial relationships between the intraoral scanning device and the target parts and the ancillary parts, wherein the spatial relationships are determined for enabling 3D data of the target parts to be obtained by subsequently scanning the target parts and the ancillary parts by the intraoral scanning device;
- and
- stitch the 3D data together to provide a composite 3D virtual model comprising 3D data configured for display on a display screen, wherein 3D scan data for the target parts are configured to be displayed at a first resolution and 3D scan data for the ancillary parts are configured to be displayed at a second resolution, wherein the first resolution is higher than the second resolution;
- and
- the display screen, wherein the display screen is configured to receive and display the 3D virtual model;
- wherein generating the plurality of spatial relationships comprises, for each target part and each ancillary part, determining for the scanning device a series of spatial parameters, each comprising a scanning station data sufficient for enabling the scanner to fully scan the corresponding target part or ancillary part;
- and
- wherein the series of spatial parameters provide 3D topographical data for a corresponding plurality of the areas, wherein the spatial parameters of the series are determined such that at least some adjacent the areas overlap one another.
8 more elements
A system for scanning an intraoral cavity for providing 3D data thereof, the system comprising:
- an intraoral scanning device;
- a processor, wherein the processor is configured to
- identify target parts of the intraoral cavity separate from ancillary parts of the intraoral cavity;
- generate a plurality of spatial relationships between the intraoral scanning device and the target parts and the ancillary parts, wherein the spatial relationships are determined for enabling 3D data of the target parts to be obtained by subsequently scanning the target parts and the ancillary parts by the intraoral scanning device;
- stitch the 3D data together to provide a composite 3D virtual model comprising 3D data configured for display on a display screen, wherein 3D scan data for the target parts are configured to be displayed at a first resolution and 3D scan data for the ancillary parts are configured to be displayed at a second resolution, wherein the first resolution is higher than the second resolution;
- and
- output the spatial relationships on the display screen;
- and
- the display screen, wherein the display screen is configured to receive and display the 3D virtual model;
- wherein outputting the spatial relationships comprises displaying indicia on a viewfinder capable of providing a video image of the field of view of the scanner, the indicia being indicative of a desired position for associating a predetermined portion of the target parts or ancillary parts in a particular manner with respect therewith.
7 more elements
A system for use in scanning an intraoral cavity for providing 3D data thereof, the system comprising:
- an intraoral scanning device;
- and
- a processor, wherein the processor is configured to
- identify a first set of data representative of target parts of the intraoral cavity separate from ancillary parts of the intraoral cavity;
- generate spatial data representative of spatial relationships between the intraoral scanning device and the target parts and the ancillary parts of the intraoral cavity, wherein the spatial relationships enable 3D data of the target parts and the ancillary parts to be obtained by scanning the target parts and ancillary parts with the intraoral scanning device, wherein the 3D data comprises 3D scan data for the target parts configured to be displayed at a first resolution and 3D scan data for the ancillary parts configured to be displayed at a second resolution, wherein the first resolution is higher than the second resolution;
- and
- output the 3D data for display on a display screen.
4 more elements
Dependencies are inferred from the claim text.