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    SYSTEMS FOR TREATMENT PLANNING WITH OVERCORRECTION
    21.
    发明申请
    SYSTEMS FOR TREATMENT PLANNING WITH OVERCORRECTION 有权

    公开(公告)号：US20220370172A1

    公开(公告)日：2022-11-24

    申请号：US17586543

    申请日：2022-01-27

    Applicant: ALIGN TECHNOLOGY, INC.

    Inventor： Vadim MATOV ,  Fuming WU ,  Anton TEREKHOV ,  Tzishing Jesse LIM ,  Jihua CHENG ,  John MORTON

    IPC: A61C7/08 ,  A61C7/00

    Abstract: Orthodontic systems and related methods are disclosed for designing and providing improved or more effective tooth moving systems for eliciting a desired tooth movement and/or repositioning teeth into a desired arrangement. Methods and orthodontic systems include the generation of an overcorrection in the tooth-receiving cavities of an appliance worn in the dentition. The overcorrection may provide an improved and more accurately applied force or moment applied to a tooth. The overcorrected force or moment can move a tooth closer to a desired position than if not overcorrected as sufficient force can still applied to the tooth as it gets closer to the desired position. The overcorrected force or moment may also better target the root of the tooth where the biological response to tooth movement occurs. The overcorrection may be calculated in various ways as described herein.

    SYSTEMS AND METHODS FOR MANDIBULAR ADVANCEMENT
    23.
    发明公开
    SYSTEMS AND METHODS FOR MANDIBULAR ADVANCEMENT 审中-公开

    公开(公告)号：US20240024155A1

    公开(公告)日：2024-01-25

    申请号：US18480006

    申请日：2023-10-03

    Applicant: ALIGN TECHNOLOGY, INC.

    Inventor： Bruce CAM ,  Crystal TJHIA ,  Chunhua LI ,  Vadim MATOV ,  John MORTON

    IPC: A61F5/56 ,  A61C7/36 ,  A61C7/08 ,  A61C7/00

    CPC classification number: A61F5/566 ,  A61C7/36 ,  A61C7/08 ,  A61C7/002

    Abstract: Improved systems, methods, and devices for treating sleep apnea are provided herein. In one aspect, an intraoral appliance for treating sleep apnea in a patient comprises an appliance shell comprising a plurality of cavities shaped to receive teeth of a jaw of the patient. The appliance shell can comprise an advancement structure arranged to interact with an opposing jaw of the patient so as to displace the lower jaw anteriorly relative to the upper jaw. The plurality of cavities can comprise cavity geometries shaped to reduce repositioning of one or more received teeth elicited by displacement of the lower jaw anteriorly relative to the upper jaw.

    ADJUSTMENT OF TOOTH POSITION IN A VIRTUAL DENTAL MODEL
    25.
    发明公开
    ADJUSTMENT OF TOOTH POSITION IN A VIRTUAL DENTAL MODEL 审中-公开

    公开(公告)号：US20230355351A1

    公开(公告)日：2023-11-09

    申请号：US18314780

    申请日：2023-05-09

    Applicant: Align Technology, Inc.

    Inventor： Fuming WU ,  Vadim MATOV ,  Artem BOROVINSKIH ,  Rene M. STERENTAL ,  Pavel AGAPOV ,  Anton SPIRIDONOV ,  Anatoliy BOLTUNOV

    IPC: A61C7/00 ,  G06T19/20 ,  G06F30/00

    CPC classification number: A61C7/002 ,  G06T19/20 ,  G06F30/00 ,  G06T2210/41 ,  G16H20/00

    Abstract: The present disclosure provides computing device implemented methods, computing device readable media, and systems for adjustment of tooth position in a virtual dental model. Virtual dental modeling can include detecting space and/or collision between posterior teeth of an upper jaw and posterior teeth of a lower jaw in a virtual dental model that has been set in a preliminary target position. An energy function can be defined including the space and/or collision, tooth root movement, and align points. Weights can be assigned for each variable in the energy function. A position of the posterior teeth of the upper jaw and the posterior teeth of the lower jaw can be adjusted in six degrees of freedom to minimize the energy function. The detection, definition, assignment, and adjustment can be repeated until the energy function converges. The weights can be adjusted to reduce the space and/or collision.

    ACCURATE METHOD TO DETERMINE CENTER OF RESISTANCE FOR 1D/2D/3D PROBLEMS
    28.
    发明申请
    ACCURATE METHOD TO DETERMINE CENTER OF RESISTANCE FOR 1D/2D/3D PROBLEMS 有权

    公开(公告)号：US20220142740A1

    公开(公告)日：2022-05-12

    申请号：US17453591

    申请日：2021-11-04

    Applicant: ALIGN TECHNOLOGY, INC.

    Inventor： Iman SHOJAEI ,  Reza SHIRAZI AGHJARI ,  John Y. MORTON ,  Vadim MATOV ,  Eric YAU ,  Fuming WU ,  Sergei BRODSKY

    IPC: A61C7/00 ,  G16H50/50 ,  G16H20/40

    Abstract: A system and method for determining a center of resistance of a tooth may include receiving a 3D digital representation of an initial arrangement and a final arrangement of a patient's teeth and determining a 3D treatment plan. The 3D treatment plan may include a plurality of 3D stages for rearranging the teeth from the initial arrangement toward the final arrangement. The method may also include determining, in accordance with the 3D treatment plan, an intended movement of the teeth for each of the stages and deriving, using a 3D resistance model, an applied force system for achieving the intended movement of the teeth for each of the stages. The method may also include deriving 3D geometries of oral appliances for the stages in response to the applied force system. Various other systems and methods are also disclosed.

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