Patents by Inventor Anatoliy Parpara
Anatoliy Parpara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240104737Abstract: A system comprises a memory comprising instructions for detecting one or more defects in a customized dental appliance manufactured via direct fabrication, and a processing device. Execution of the instructions causes the processing device to determine an area of the one or more images of the customized dental appliance to be compared with a digital model of the customized dental appliance, compare the area of one or more images of the customized dental appliance with the digital model of the customized dental appliance, determine a difference between a representation of the customized dental appliance in the area of the one or more images and the digital model of the customized dental appliance at a region of the customized dental appliance, and responsive to determining that the difference satisfies a defect criterion, determine that the customized dental appliance has a manufacturing defect at the region associated with the difference.Type: ApplicationFiled: December 11, 2023Publication date: March 28, 2024Inventors: Andrey Cherkas, Danila Chesnokov, Anatoliy Parpara
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Patent number: 11880973Abstract: 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.Type: GrantFiled: February 16, 2022Date of Patent: January 23, 2024Assignee: Align Technology, Inc.Inventors: Andrey Cherkas, Danila Chesnokov, Anatoliy Parpara
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Publication number: 20230301762Abstract: A mold for a dental appliance includes a dental arch portion and a beam. The dental arch portion is associated with teeth of a user. The dental arch portion includes a first distal portion, a second distal portion, and an incisor portion disposed between the first distal portion and the second distal portion. The beam extends from the first distal portion to the second distal portion. The beam includes a label portion disposed between the first distal portion and the second distal portion. The label portion forms a label for identification of the mold.Type: ApplicationFiled: January 30, 2023Publication date: September 28, 2023Inventors: Enrique Soltero Borrego, Denis Fadeev, Alexey Kalinichenko, Anatoliy Parpara, Fernando Jose Lopez Diaz, Daniel Antonio Hernandez Lopez, Isidro Salvador Gonzalez Tobias
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Patent number: 11631176Abstract: 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.Type: GrantFiled: March 18, 2022Date of Patent: April 18, 2023Assignee: Align Technology, Inc.Inventors: Anatoliy Parpara, Ivan Kharpalev, Stephan Albert Alexandre Dumothier, Andrey Cherkas, Alexey Kalinichenko, Jack Shaw, Israel Velazquez
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Publication number: 20220215546Abstract: A method includes manufacturing an orthodontic aligner and assessing a quality of the orthodontic aligner. Assessing the quality of the orthodontic aligner comprises receiving a digital representation of the orthodontic aligner, and analyzing the digital representation of the orthodontic aligner to identify a quality-related property of the orthodontic aligner. The analyzing comprises comparing the digital representation of the orthodontic aligner with data based on a digital model associated with the orthodontic aligner and calculating one or more difference between a feature determined from the data and a feature of the digital representation of the orthodontic aligner.Type: ApplicationFiled: March 18, 2022Publication date: July 7, 2022Inventors: Anatoliy Parpara, Ivan Kharpalev, Stephan Albert Alexandre Dumothier, Andrey Cherkas, Alexey Kalinichenko, Jack Shaw, Israel Velazquez
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Publication number: 20220207737Abstract: 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.Type: ApplicationFiled: March 18, 2022Publication date: June 30, 2022Inventors: Anatoliy Parpara, Ivan Kharpalev, Stephan Albert Alexandre Dumothier, Andrey Cherkas, Alexey Kalinichenko, Jack Shaw, Israel Velazquez
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Publication number: 20220172364Abstract: 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.Type: ApplicationFiled: February 16, 2022Publication date: June 2, 2022Inventors: Andrey Cherkas, Danila Chesnokov, Anatoliy Parpara
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Patent number: 11334996Abstract: 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.Type: GrantFiled: October 4, 2021Date of Patent: May 17, 2022Assignee: Align Technology, Inc.Inventors: Anatoliy Parpara, Ivan Kharpalev, Stephan Albert Alexandre Dumothier, Andrey Cherkas, Alexey Kalinichenko, Jack Shaw, Israel Velazquez
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Patent number: 11304779Abstract: A method for manufacturing an orthodontic aligner includes printing a mold associated with a dental arch of a patient based on a digital model of the mold, forming the orthodontic aligner over the mold, and trimming the orthodontic aligner. The method further includes assessing a quality of the orthodontic aligner by receiving a digital representation of the orthodontic aligner, the digital representation having been generated based on imaging of the orthodontic aligner, analyzing the digital representation of the orthodontic aligner to identify a quality-related property of the orthodontic aligner, determining, based on the quality-related property, that the orthodontic aligner comprises a manufacturing flaw, and classifying the orthodontic aligner as requiring further inspection by a technician based on determining that the orthodontic aligner comprises the manufacturing flaw.Type: GrantFiled: April 1, 2021Date of Patent: April 19, 2022Assignee: Align Technology, Inc.Inventors: Anatoliy Parpara, Ivan Kharpalev, Stephan Albert Alexandre Dumothier, Andrey Cherkas, Alexey Kalinichenko, Jack Shaw, Israel Velazquez
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Patent number: 11295444Abstract: 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 performs segmentation on the one or more images to identify 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.Type: GrantFiled: April 1, 2020Date of Patent: April 5, 2022Assignee: Align Technology, Inc.Inventors: Andrey Cherkas, Danila Chesnokov, Anatoliy Parpara
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Publication number: 20220036531Abstract: Systems and methods for machine based defect detection of 3D printed molds for orthodontic aligners are described. A method includes providing illumination of a 3D printed mold for an orthodontic aligner; generating a plurality of images of the 3D printed mold for the orthodontic aligner using one or more imaging devices, wherein each image of the plurality of images depicts a distinct region of the 3D printed mold for the orthodontic aligner; processing the plurality of images by a processing device to identify one or more types of manufacturing defects of the 3D printed mold for the orthodontic aligner, wherein for each type of manufacturing defect a probability that an image comprises a defect of that type of manufacturing defect is determined; and classifying, by the processing device, the 3D printed mold for the orthodontic aligner as defective based on identifying the one or more types of manufacturing defects.Type: ApplicationFiled: July 8, 2021Publication date: February 3, 2022Inventors: Paren Indravadan Shah, Anatoliy Parpara, Andrey Cherkas, Alexey Kalinichenko
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Publication number: 20220028073Abstract: 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.Type: ApplicationFiled: October 4, 2021Publication date: January 27, 2022Inventors: Anatoliy Parpara, Ivan Kharpalev, Stephan Albert Alexandre Dumothier, Andrey Cherkas, Alexey Kalinichenko, Jack Shaw, Israel Velazquez
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Publication number: 20220000583Abstract: A method for manufacturing an orthodontic aligner includes printing a mold associated with a dental arch of a patient based on a digital model of the mold, forming the orthodontic aligner over the mold, and trimming the orthodontic aligner. The method further includes assessing a quality of the orthodontic aligner by receiving a digital representation of the orthodontic aligner, the digital representation having been generated based on imaging of the orthodontic aligner, analyzing the digital representation of the orthodontic aligner to identify a quality-related property of the orthodontic aligner, determining, based on the quality-related property, that the orthodontic aligner comprises a manufacturing flaw, and classifying the orthodontic aligner as requiring further inspection by a technician based on determining that the orthodontic aligner comprises the manufacturing flaw.Type: ApplicationFiled: April 1, 2021Publication date: January 6, 2022Inventors: Anatoliy Parpara, Ivan Kharpalev, Stephan Albert Alexandre Dumothier, Andrey Cherkas, Alexey Kalinichenko, Jack Shaw, Israel Velazquez
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Publication number: 20210378794Abstract: 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.Type: ApplicationFiled: August 25, 2021Publication date: December 9, 2021Inventors: Israel Velazquez, Andrey Cherkas, Stephan Albert Alexandre Dumothier, Anatoliy Parpara, Alexey Geraskin, Yury Slynko, Danila Chesnokov
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Patent number: 11189021Abstract: 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.Type: GrantFiled: November 15, 2019Date of Patent: November 30, 2021Assignee: Align Technology, Inc.Inventors: Paren Indravadan Shah, Anatoliy Parpara, Andrey Cherkas, Alexey Kalinichenko
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Patent number: 11138727Abstract: 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.Type: GrantFiled: April 16, 2020Date of Patent: October 5, 2021Assignee: Align Technology, Inc.Inventors: Anatoliy Parpara, Ivan Kharpalev, Stephan Albert Alexandre Dumothier, Andrey Cherkas, Alexey Kalinichenko, Jack Shaw, Israel Velazquez
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Publication number: 20210298876Abstract: A system includes a memory device and a processing device operatively coupled to the memory device. The processing device determines two or more adjacent teeth in a virtual model, determines a characteristic of the teeth indicative of a spatial relationship between the teeth, determines that the characteristic satisfies a criterion for a virtual filler, and determines a geometry of the virtual filler based on the spatial relationship between the teeth.Type: ApplicationFiled: June 14, 2021Publication date: September 30, 2021Inventors: Israel Velazquez, Andrey Cherkas, Stephan Albert Alexandre Dumothier, Anatoliy Parpara, Alexey Geraskin, Yury Slynko
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Patent number: 11129694Abstract: Two or more adjacent teeth in a virtual model are determined. The two or more adjacent teeth include a first tooth adjacent to a second tooth in the virtual model. The virtual filler is inserted in the virtual model between the first tooth and the second tooth. Points in the virtual model are selected. The points 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.Type: GrantFiled: July 22, 2020Date of Patent: September 28, 2021Assignee: Align Technology, Inc.Inventors: Israel Velazquez, Andrey Cherkas, Stephan Albert Alexandre Dumothier, Anatoliy Parpara, Alexey Geraskin, Yury Slynko, Danila Chesnokov
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Patent number: 11033359Abstract: 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.Type: GrantFiled: October 5, 2017Date of Patent: June 15, 2021Assignee: Align Technology, Inc.Inventors: Israel Velazquez, Andrey Cherkas, Stephan Albert Alexandre Dumothier, Anatoliy Parpara, Alexey Geraskin, Yury Slynko
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Patent number: 10970839Abstract: A method for analyzing a quality of an orthodontic aligner is described. The method includes receiving, by a processor, a digital representation of a fabricated orthodontic aligner, the digital representation having been generated based on imaging of the fabricated orthodontic aligner. The method further includes analyzing, by the processor, the digital representation of the fabricated orthodontic aligner to identify a quality-related property of the fabricated orthodontic aligner. The method further includes determining, based on the quality-related property, that the fabricated orthodontic aligner comprises a manufacturing flaw. The method further includes classifying, by the processor, the fabricated orthodontic aligner as requiring further inspection by a technician based on determining that the fabricated orthodontic aligner comprises the manufacturing flaw.Type: GrantFiled: July 23, 2020Date of Patent: April 6, 2021Assignee: Align Technology, Inc.Inventors: Anatoliy Parpara, Ivan Kharpalev, Stephan Albert Alexandre Dumothier, Andrey Cherkas, Alexey Kalinichenko, Jack Shaw, Israel Velazquez