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公开(公告)号：US20220207737A1
公开(公告)日：2022-06-30
申请号：US17699015
申请日：2022-03-18
Applicant: Align Technology, Inc.
Inventor： Anatoliy Parpara , Ivan Kharpalev , Stephan Albert Alexandre Dumothier , Andrey Cherkas , Alexey Kalinichenko , Jack Shaw , Israel Velazquez
IPC: G06T7/00 , A61C7/00 , A61C13/00 , G01N21/956 , B33Y50/02 , B33Y80/00 , B29C64/393 , A61C7/08 , B29C33/38 , B29C51/26 , B29C51/46 , G06T7/521 , G06T17/10
Abstract: A method includes obtaining image(s) of a dental device, determining file(s) including at least one of a first model of the dental device or a second model of a mold, determining an intended property for the dental device based on at least one of the first model or the second model, and determining an actual property of the dental device from the image(s). The method further includes determining whether a cutline variation, an arch variation, and/or a bend of the dental device is detected between the dental device and the first model and/or the second model by comparing the intended property with the actual property. The method further includes determining whether there is a possible defect in the dental device based on whether the cutline variation exceeds a cutline variation threshold, the arch variation exceeds an arch variation threshold, and/or the bend exceeds a bend threshold.
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公开(公告)号：US20220028073A1
公开(公告)日：2022-01-27
申请号：US17493682
申请日：2021-10-04
Applicant: Align Technology, Inc.
Inventor： Anatoliy Parpara , Ivan Kharpalev , Stephan Albert Alexandre Dumothier , Andrey Cherkas , Alexey Kalinichenko , Jack Shaw , Israel Velazquez
Abstract: A method of manufacturing and analyzing a quality of an orthodontic aligner is described. An orthodontic aligner is manufactured by printing a mold associated with a dental arch of a patient based on a digital model of the mold, forming an orthodontic aligner over the mold, and trimming the orthodontic aligner. A quality of the orthodontic aligner is then assessed by imaging the orthodontic aligner to generate a first digital representation of the orthodontic aligner, comparing the first digital representation of the orthodontic aligner to a digital file associated with the orthodontic aligner, determining whether a cutline variation is detected between the orthodontic aligner and the digital file, and determining whether there is a manufacturing defect of the orthodontic aligner based on whether the cutline variation exceeds a cutline variation threshold.
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公开(公告)号：US20200242765A1
公开(公告)日：2020-07-30
申请号：US16851038
申请日：2020-04-16
Applicant: Align Technology, Inc.
Inventor： Anatoliy Parpara , Ivan Kharpalev , Stephan Albert Alexandre Dumothier , Andrey Cherkas , Alexey Kalinichenko , Jack Shaw , Israel Velazquez
Abstract: A system for inspecting a customized dental device associated with a dental application for manufacturing defects is disclosed. The system obtains images of the customized device and identifies an identifier of the customized device. The system determines a digital file associated with the customized device based on the identifier, the digital file including a first digital model of the customized device and/or a second digital model of a mold used during manufacture of the customized device. The system determines an intended property for the customized device based on at least one of the first digital model or the second digital model, determines an actual property of the customized device from the images, determines whether there is a manufacturing defect in the customized device by comparing the intended property for the customized device with the actual property of the customized device, and outputs an output associated with the determination.
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公开(公告)号：US20250017693A1
公开(公告)日：2025-01-16
申请号：US18674414
申请日：2024-05-24
Applicant: Align Technology, Inc.
Inventor： Israel Velazquez , Andrey Cherkas , Stephan Albert Alexandre Dumothier , Anatoliy Parpara , Alexey Geraskin , Yury Slynko , Danila Chesnokov
Abstract: Generating a virtual filer for design of an orthodontic aligner includes inserting the virtual filer in a virtual model of a dental site between at least two naturally adjacent teeth in the virtual model, transforming points of the virtual filer into a voxel volume, and determining a geometry of an updated virtual filer by transforming a surface of the voxel volume into a polygonal mech.
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公开(公告)号：US11880973B2
公开(公告)日：2024-01-23
申请号：US17673711
申请日：2022-02-16
Applicant: Align Technology, Inc.
Inventor： Andrey Cherkas , Danila Chesnokov , Anatoliy Parpara
IPC: G06T7/11 , G06T7/00 , A61C7/08 , A61C7/00 , G06T7/38 , G06T7/32 , G06T17/20 , G06T5/00 , G06T7/136 , B33Y80/00
CPC classification number: G06T7/0012 , A61C7/002 , A61C7/08 , G06T5/002 , G06T7/11 , G06T7/136 , G06T7/32 , G06T7/38 , G06T17/205 , B33Y80/00 , G06T2207/20081 , G06T2207/20084 , G06T2207/20182 , G06T2207/30036
Abstract: Multiple techniques for detecting defects in customized dental appliances are disclosed. In one technique, processing logic obtains one or more images of a customized dental appliance, obtains a digital model associated with the customized dental appliance, and identifies an area of the one or more images that comprises a representation of the customized dental appliance. Processing logic then registers the one or more images to the digital model, compares the area of the one or more images of the customized dental appliance with the digital model of the customized dental appliance, determines a difference between the area of the one or more images that comprises the representation of the customized dental appliance and the digital model of the customized dental appliance at a region, and determines whether the difference satisfies a defect criterion.
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Patent Agency Ranking
公开(公告)号：US20210378794A1
公开(公告)日：2021-12-09
申请号：US17411984
申请日：2021-08-25
Applicant: Align Technology, Inc.
Inventor： Israel Velazquez , Andrey Cherkas , Stephan Albert Alexandre Dumothier , Anatoliy Parpara , Alexey Geraskin , Yury Slynko , Danila Chesnokov
Abstract: A virtual filler is inserted in a virtual model of a dental site between a first tooth and a second tooth in the virtual model. One or more of the first tooth or the second tooth represent a natural tooth of a patient. Points of the first tooth, the second tooth and the virtual filler are transformed into a voxel volume. A geometry of an updated virtual filler is determined by transforming a surface of the voxel volume into a polygonal mesh.
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公开(公告)号：US11189021B2
公开(公告)日：2021-11-30
申请号：US16685848
申请日：2019-11-15
Applicant: Align Technology, Inc.
Inventor： Paren Indravadan Shah , Anatoliy Parpara , Andrey Cherkas , Alexey Kalinichenko
IPC: G06T7/00 , G06K9/20 , G06T7/12 , G06T7/11 , G06T7/60 , G06T7/70 , B33Y50/00 , B29C64/386 , H04N5/235
Abstract: Implementations describe systems and methods for machine based defect detection of three-dimensional (3D) printed objects. A method of one embodiment of the disclosure includes providing a first illumination of a 3D printed object using a first light source arrangement. A plurality of images of the 3D printed object are then generated using one or more imaging devices. Each image may depict a distinct region of the 3D printed object. The plurality of images may then be processed by a processing device using a machine learning model trained to identify one or more types of manufacturing defects of a 3D printing process. The machine learning model may provide a probability that an image contains a manufacturing defect. The processing device may then determine, without user input, whether the 3D printed object contains one or more manufacturing defects based on the results provided by the machine learning model.
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公开(公告)号：US20190105128A1
公开(公告)日：2019-04-11
申请号：US16151164
申请日：2018-10-03
Applicant: Align Technology, Inc.
Inventor： Israel Velazquez , Andrey Cherkas , Stephan Albert Alexandre Dumothier , Anatoliy Parpara , Alexey Geraskin , Yury Slynko , Danila Chesnokov
CPC classification number: A61C7/002 , A61C2007/004 , G06T5/002 , G06T17/20 , G06T17/205 , G06T19/00 , G06T2207/30036 , G06T2210/36 , G06T2210/41 , G06T2210/56 , G16H50/50
Abstract: A processing device determines two or more adjacent teeth in a virtual model, the two or more adjacent teeth include a first tooth adjacent to a second tooth in the virtual model. The processing device inserts a first virtual filler in the virtual model between the first tooth and the second tooth. The processing device selects points in the virtual model. A processing device transforms the plurality of points into a voxel volume comprising a plurality of voxels. A processing device performs a smoothing operation on the voxel volume. A processing device subsequent to performing the smoothing operation on the voxel volume, determines a geometry of an updated virtual filler by transforming a surface of the smoothed voxel volume into a polygonal mesh.
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公开(公告)号：US20190105127A1
公开(公告)日：2019-04-11
申请号：US15726211
申请日：2017-10-05
Applicant: Align Technology, Inc.
Inventor： Israel Velazquez , Andrey Cherkas , Stephan Albert Alexandre Dumothier , Anatoliy Parpara , Alexey Geraskin , Yury Slynko
Abstract: System and methods herein determine two or more adjacent teeth in a virtual model. The system and methods determine a characteristic of the teeth indicative of a spatial relationship between the teeth. The system and methods further determine that the characteristic satisfies a criterion for a virtual filler. The system and methods determine a geometry of the virtual filler based on the spatial relationship between the teeth.
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公开(公告)号：US20240412347A1
公开(公告)日：2024-12-12
申请号：US18806587
申请日：2024-08-15
Applicant: Align Technology, Inc.
Inventor： Paren Indravadan Shah , Anatoliy Parpara , Andrey Cherkas , Alexey Kalinichenko
IPC: G06T7/00 , B29C64/386 , B33Y50/00 , G06T7/11 , G06T7/12 , G06T7/60 , G06T7/70 , G06V10/98 , G06V20/64 , H04N23/74
Abstract: A manufacturing system, comprises one or more image capture devices configured to generate one or more images of a three-dimensional (3D) printed orthodontic appliance associated with a dental arch of a patient. The manufacturing system further comprises a computing device configured to: receive the one or more images of the 3D printed orthodontic appliance; process the one or more images of the 3D printed orthodontic appliance to determine probabilities of one or more types of manufacturing defects for the 3D printed orthodontic appliance; and determine whether to use the 3D printed orthodontic appliance for orthodontic treatment of the patient based on the probabilities of the one or more types of manufacturing defects.
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