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    Methods and systems for determining a dental treatment difficulty in digital treatment planning
    41.
    发明授权
    Methods and systems for determining a dental treatment difficulty in digital treatment planning 有权

    公开(公告)号：US11986369B2

    公开(公告)日：2024-05-21

    申请号：US17121497

    申请日：2020-12-14

    Applicant: Align Technology, Inc.

    Inventor： Artem Borovinskih ,  Roman A. Roschin ,  Rene M. Sterental ,  Dmitriy Ten

    IPC: A61C7/00 ,  G16H15/00 ,  G16H50/50

    CPC classification number: A61C7/002 ,  G16H15/00 ,  G16H50/50

    Abstract: Methods and systems for determining a dental treatment difficulty in digital treatment planning. The methods may include calculating tooth position changes from an initial dental model to a target dental model in a mouth quadrant of a patient's dentition. The changes in position may be determined by projecting distances between initial positions and subsequent positions of teeth onto an arch line of the initial dental model. A treatment difficulty of anterior-posterior (A-P) correction may be determined for the mouth quadrant based on an average change in position, wherein a greater average change in position is associated with a higher treatment difficulty of A-P correction. The digital treatment plan may be adjusted so that a provider skill level meets or exceeds the treatment difficulty of A-P correction.

    Computer-implemented method of smoothing a shape of a tooth model
    44.
    发明授权
    Computer-implemented method of smoothing a shape of a tooth model 有权

    公开(公告)号：US11737852B2

    公开(公告)日：2023-08-29

    申请号：US17646864

    申请日：2022-01-03

    Applicant: Align Technology, Inc.

    Inventor： Fedor Chelnokov ,  Roman A. Roschin ,  Petr Ushanov

    IPC: A61C7/00 ,  A61C13/00 ,  G06F30/00

    CPC classification number: A61C7/002 ,  A61C13/0004 ,  A61C7/00 ,  G06F30/00

    Abstract: A computer-implemented method for modeling a complete tooth of a patient to facilitate dental and/or orthodontic treatment. The method includes generating a first set of digital data representing a clinical crown; generating a second set of digital data representing a plurality of digital tooth models of a particular tooth type each having a first parameterization; processing the second set of digital data to obtain a third set of digital data representing an average tooth model of the particular tooth type having a second parameterization which is less than the first parameterization; fitting the third set of digital data to the first set of digital data to create a set of digital data representing an interim tooth model; and morphing the set of digital data representing the interim tooth model to substantially mimic the anatomical shape of the clinical crown of the first set of digital data.

    OUTLIER DETECTION FOR CLEAR ALIGNER TREATMENT
    45.
    发明公开
    OUTLIER DETECTION FOR CLEAR ALIGNER TREATMENT 审中-公开

    公开(公告)号：US20230210634A1

    公开(公告)日：2023-07-06

    申请号：US18145792

    申请日：2022-12-22

    Applicant: Align Technology, Inc.

    Inventor： Anna Akopova ,  Victoria Bogina ,  Viktoria Medvinskaya ,  Roman A. Roschin ,  Mitra Derakhshan ,  Jeeyoung Choi ,  Igor Sukhorukov ,  Shiva P. Sambu

    IPC: A61C7/00 ,  A61C13/34

    CPC classification number: A61C7/002 ,  A61C13/34 ,  A61C2007/004

    Abstract: Systems, methods, and computer-readable media for identifying and facilitating review of outlier treatment plans. A method includes receiving an initial three-dimensional (3D) model of an initial arrangement of a patient’s teeth and generating a first final 3D model of a first final arrangement of the patient’s teeth based on the initial 3D model of the initial arrangement of the patient’s teeth. The method further includes comparing the first final arrangement of the patient’s teeth with a set of a plurality of final arrangements of teeth from previous treatment plans of past patients and determining whether the first final arrangement of the patient’s teeth satisfies one or more outlier criteria based on the comparing. Responsive to determining that the first final arrangement of the patient’s teeth satisfies the one or more outlier criteria, an orthodontic treatment plan comprising the first final 3D model of the first final arrangement of the patient’s teeth is classified as a clinical risk.

    Dental appliance with cavity for an unerupted or erupting tooth
    46.
    发明授权
    Dental appliance with cavity for an unerupted or erupting tooth 有权

    公开(公告)号：US11596499B2

    公开(公告)日：2023-03-07

    申请号：US16746735

    申请日：2020-01-17

    Applicant: Align Technology, Inc.

    Inventor： Jeeyoung Choi ,  Chunhua Li ,  John Morton ,  Bastien Pesenti ,  Vadim Matov ,  Alexander Beliaev ,  Petr Ushanov ,  Roman A. Roschin

    IPC: A61C7/00 ,  A61C7/08

    Abstract: A method includes to receive, via a computing device, data representing a plurality of teeth, identify data indicating which of the plurality of teeth are unerupted or erupting, predict at least one characteristic of a tooth of the unerupted or erupting teeth after they have fully erupted using one or more tooth eruption prediction factors, generate new data representing the unerupted or erupting teeth in multiple states of eruption based upon the predicted at least one characteristic of the fully erupted teeth, and generate a series of incremental tooth arrangements with the new data to define a proposed orthodontic treatment based on the new data representing the unerupted or erupting teeth in multiple states of eruption.

    Reconstruction of non-visible part of tooth
    48.
    发明授权
    Reconstruction of non-visible part of tooth 有权

    公开(公告)号：US11213368B2

    公开(公告)日：2022-01-04

    申请号：US14166530

    申请日：2014-01-28

    Applicant: Align Technology, Inc.

    Inventor： Fedor Chelnokov ,  Roman A. Roschin ,  Petr Ushanov

    IPC: A61C7/00 ,  A61C13/00 ,  G06F30/00

    Abstract: A computer-implemented method for modeling a complete tooth of a patient to facilitate dental and/or orthodontic treatment. The method includes generating a first set of digital data representing a clinical crown; generating a second set of digital data representing a plurality of digital tooth models of a particular tooth type each having a first parameterization; processing the second set of digital data to obtain a third set of digital data representing an average tooth model of the particular tooth type having a second parameterization which is less than the first parameterization; fitting the third set of digital data to the first set of digital data to create a set of digital data representing an interim tooth model; and morphing the set of digital data representing the interim tooth model to substantially mimic the anatomical shape of the clinical crown of the first set of digital data.

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