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    Treatment of teeth by aligners
    11.
    发明授权
    Treatment of teeth by aligners 有权

    公开(公告)号：US11379097B2

    公开(公告)日：2022-07-05

    申请号：US15638141

    申请日：2017-06-29

    Applicant: Align Technology, Inc

    Inventor： Huafeng Wen ,  Frank Zhenhuan Liu

    IPC: G06F3/0484 ,  A61C7/00 ,  A61C7/08 ,  B33Y80/00 ,  A61C9/00

    Abstract: A method for treating a subject's teeth. A target configuration for the subject's teeth is determined. Receiving features are produced on a dental base in response to the target configuration, the receiving features being configured to receive physical tooth models. The physical tooth models are assembled on the dental base to form a physical arch model. A dental aligner is produced using the physical arch model to move the subject's teeth to the target configuration.

    Treatment of teeth by aligners
    12.
    发明授权
    Treatment of teeth by aligners 有权

    公开(公告)号：US11086490B2

    公开(公告)日：2021-08-10

    申请号：US16185905

    申请日：2018-11-09

    Applicant: Align Technology, Inc.

    Inventor： Huafeng Wen ,  Frank Zhenhuan Liu

    IPC: G06F3/0484 ,  A61C7/00 ,  A61C7/08 ,  B33Y80/00 ,  A61C9/00

    Abstract: A method for treating a subject's teeth. A target configuration for the subject's teeth is determined. Receiving features are produced on a dental base in response to the target configuration, the receiving features being configured to receive physical tooth models. The physical tooth models are assembled on the dental base to form a physical arch model. A dental aligner is produced using the physical arch model to move the subject's teeth to the target configuration.

    Treatment of teeth by aligners
    17.
    发明授权
    Treatment of teeth by aligners 有权

    公开(公告)号：US11789594B2

    公开(公告)日：2023-10-17

    申请号：US16429925

    申请日：2019-06-03

    Applicant: Align Technology, Inc.

    Inventor： Huafeng Wen

    IPC: A61C19/045 ,  A61C7/00 ,  G06F3/0484 ,  A61C7/08 ,  B33Y80/00 ,  A61C9/00

    CPC classification number: G06F3/0484 ,  A61C7/00 ,  A61C7/002 ,  A61C7/08 ,  A61C9/002 ,  A61C2007/004 ,  B33Y80/00

    Abstract: A method for treating a subject's teeth. A target configuration for the subject's teeth is determined. Receiving features are produced on a dental base in response to the target configuration, the receiving features being configured to receive physical tooth models. The physical tooth models are assembled on the dental base to form a physical arch model. A dental aligner is produced using the physical arch model to move the subject's teeth to the target configuration. A method for making a multi-layer dental aligner includes placing a first layer of a first aligner-making material over one or more physical tooth models, conforming the first layer of the first aligner-making material to the surfaces of the one or more physical tooth models, placing a second layer of a second aligner-making material over the first layer of the first aligner-making material, and conforming the second layer of the second aligner-making material to the surfaces of the first layer of the first aligner-making material over the one or more physical tooth models to produce the multi-layer dental aligner. A method for making a non-uniform dental aligner includes non-uniformly heating the sheet of aligner-making material and holding the sheet of aligner-making material against one or more physical tooth models to produce the non-uniform dental aligner.

    Preventing interference between tooth models
    18.
    发明授权
    Preventing interference between tooth models 有权

    公开(公告)号：US11602411B2

    公开(公告)日：2023-03-14

    申请号：US16697072

    申请日：2019-11-26

    Applicant: Align Technology, Inc.

    Inventor： Huafeng Wen

    IPC: A61C7/00 ,  A61C9/00 ,  G06F30/00 ,  A61C7/04 ,  A61C13/34 ,  B33Y80/00

    Abstract: 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.

    Preventing interference between tooth models
    19.
    发明授权
    Preventing interference between tooth models 有权

    公开(公告)号：US09943382B2

    公开(公告)日：2018-04-17

    申请号：US15369145

    申请日：2016-12-05

    Applicant: Align Technology, Inc.

    Inventor： Huafeng Wen

    IPC: A61C11/00 ,  A61C7/00 ,  A61C7/04 ,  A61C9/00 ,  A61C13/34 ,  G06F17/50 ,  B33Y80/00

    CPC classification number: A61C7/002 ,  A61C7/04 ,  A61C9/002 ,  A61C13/34 ,  B33Y80/00 ,  G06F17/50

    Abstract: 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.

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