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    Method to visualize and manufacture aligner by modifying tooth position
    32.
    发明授权
    Method to visualize and manufacture aligner by modifying tooth position 有权

    公开(公告)号：US10463452B2

    公开(公告)日：2019-11-05

    申请号：US15684775

    申请日：2017-08-23

    Applicant: Align Technology, Inc.

    Inventor： Vadim Matov ,  Fuming Wu ,  Jihua Cheng ,  Jennifer Chen ,  Chunhua Li ,  Bastien Pesenti ,  Igor Kvasov

    IPC: A61C7/00 ,  A61C7/08 ,  G06F17/50

    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.

    Treatment plan specific bite adjustment structures
    33.
    发明授权
    Treatment plan specific bite adjustment structures 有权

    公开(公告)号：US10299894B2

    公开(公告)日：2019-05-28

    申请号：US14186799

    申请日：2014-02-21

    Applicant: Align Technology, Inc.

    Inventor： Rohit Tanugula ,  John Morton ,  Chunhua Li ,  Bastien Pesenti ,  Jihua Cheng ,  Jeeyoung Choi

    IPC: A61C7/00 ,  A61C7/36 ,  A61C7/08 ,  G06F17/50

    Abstract: A series of appliances including a first shell and a second shell can be designed to incrementally implement a treatment plan. The first and second shells can have cavities designed to receive teeth of a jaw. A first bite adjustment structures can be formed of a same material as the first shell, extending from the first shell and designed to interface with teeth of a second jaw. A second bite adjustment structures can be formed of a same material as the second shell, extending from the second shell and designed to interface with teeth of the second jaw. The first and the second bite adjustment structures can have respective shapes and locations specific to respective stages of the treatment plan.

    Three-dimensional tooth modeling using a two-dimensional x-ray image
    34.
    发明授权
    Three-dimensional tooth modeling using a two-dimensional x-ray image 有权

    公开(公告)号：US10076389B2

    公开(公告)日：2018-09-18

    申请号：US14622763

    申请日：2015-02-13

    Applicant: Align Technology, Inc.

    Inventor： Fuming Wu ,  Vadim Matov ,  Jihua Cheng

    IPC: A61C13/00 ,  A61C7/00 ,  G06F17/50 ,  G16H50/50

    CPC classification number: A61C13/0004 ,  A61C7/002 ,  A61C2007/004 ,  G06F17/50 ,  G06F19/00 ,  G16H50/50 ,  G16Z99/00

    Abstract: A processing device receives a 3D model including a 3D crown component from a scan and a 3D root component from a template. The processing device receives a 2D x-ray image of the at least one tooth and generates a scan model representing an initial estimate of the one or more parameters of an x-ray imaging device that created the 2D x-ray image. The processing device further generates a 2D contour of the at least one tooth based on projecting the 3D model onto a plane using the scan model. The processing device overlays the 2D contour onto the 2D x-ray image. The processing device further adjusts the 2D contour to cause a first crown component of the 2D contour to approximately align to a second crown component of the 2D x-ray image. The processing then calibrates the scan model based on data obtained from adjusting the two-dimensional contour.

    THREE-DIMENSIONAL TOOTH MODELING USING A TWO-DIMENSIONAL X-RAY IMAGE
    35.
    发明申请
    THREE-DIMENSIONAL TOOTH MODELING USING A TWO-DIMENSIONAL X-RAY IMAGE 审中-公开
    使用二维X射线图像的三维牙科建模

    公开(公告)号：US20160239631A1

    公开(公告)日：2016-08-18

    申请号：US14622763

    申请日：2015-02-13

    Applicant: Align Technology, Inc.

    Inventor： Fuming Wu ,  Vadim Matov ,  Jihua Cheng

    IPC: G06F19/00 ,  A61C7/00 ,  A61B6/14 ,  A61C13/00

    CPC classification number: A61C13/0004 ,  A61C7/002 ,  A61C2007/004 ,  G06F17/50 ,  G06F19/00 ,  G16H50/50

    Abstract: A processing device receives a 3D model including a 3D crown component from a scan and a 3D root component from a template. The processing device receives a 2D x-ray image of the at least one tooth and generates a scan model representing an initial estimate of the one or more parameters of an x-ray imaging device that created the 2D x-ray image. The processing device further generates a 2D contour of the at least one tooth based on projecting the 3D model onto a plane using the scan model. The processing device overlays the 2D contour onto the 2D x-ray image. The processing device further adjusts the 2D contour to cause a first crown component of the 2D contour to approximately align to a second crown component of the 2D x-ray image. The processing then calibrates the scan model based on data obtained from adjusting the two-dimensional contour.

    Abstract translation: 处理设备从扫描中接收包括3D冠状分量的3D模型和来自模板的3D根分量。 所述处理装置接收所述至少一个牙齿的2D X射线图像，并且生成表示创建2D X射线图像的x射线成像装置的一个或多个参数的初始估计的扫描模型。 基于使用扫描模型将3D模型投影到平面上，处理装置进一步产生至少一个牙齿的2D轮廓。 处理设备将2D轮廓覆盖到2D x射线图像上。 处理装置进一步调整2D轮廓以使得2D轮廓的第一冠部分量与2D x射线图像的第二冠状部分大致对准。 然后，处理基于从调整二维轮廓获得的数据来校准扫描模型。

    ORTHODONTIC SYSTEMS AND METHODS INCLUDING PARAMETRIC ATTACHMENTS
    36.
    发明申请
    ORTHODONTIC SYSTEMS AND METHODS INCLUDING PARAMETRIC ATTACHMENTS 审中-公开
    正交系统和包括参数附件的方法

    公开(公告)号：US20160067013A1

    公开(公告)日：2016-03-10

    申请号：US14850866

    申请日：2015-09-10

    Applicant: Align Technology, Inc.

    Inventor： John Morton ,  Vadim Matov ,  Heng Cao ,  Ryan Kimura ,  Jihua Cheng ,  Bastien Pesenti

    IPC: A61C7/00 ,  G06F17/50 ,  G06F17/10 ,  A61C7/08

    CPC classification number: A61C7/002 ,  A61C7/00 ,  A61C7/08 ,  A61C7/14 ,  G06F17/10 ,  G06F17/50

    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 of the invention include tooth attachments having improved or optimized parameters selected or modified for more optimal and/or effective application of forces for a desired/selected orthodontic movement. Attachments of the present invention can be customized to a particular patient (e.g., patient-customized), a particular movement, and/or a sub-group or sub-set of patients, and configured to engage an orthodontic tooth positioning appliance worn by a patient, where engagement between the attachment and orthodontic appliance results in application of a repositioning force or series/system of forces to the tooth having the attachment and will generally elicit a tooth movement.

    Abstract translation: 公开了正畸系统和相关方法，用于设计和提供改进的或更有效的牙齿移动系统，用于引起期望的牙齿运动和/或将牙齿重新定位成期望的布置。 本发明的方法和矫正系统包括具有改进或优化的参数的牙齿附件，所述参数被选择或修改以更好地和/或有效地施加用于所需/选择的正畸运动的力。 本发明的附件可以针对特定患者（例如，患者定制），特定运动和/或患者的子组或子组进行定制，并且被配置为接合正畸牙定位装置 患者，其中附件和正畸装置之间的接合导致对具有附件的牙齿施加重新定位力或者一系列/系统的力并且将通常引起牙齿移动。

    TREATMENT PLAN SPECIFIC BITE ADJUSTMENT STRUCTURES
    39.
    发明申请
    TREATMENT PLAN SPECIFIC BITE ADJUSTMENT STRUCTURES 审中-公开
    处理计划特定的BITE调整结构

    公开(公告)号：US20150238283A1

    公开(公告)日：2015-08-27

    申请号：US14186799

    申请日：2014-02-21

    Applicant: Align Technology, Inc.

    Inventor： Rohit Tanugula ,  John Morton ,  Chunhua Li ,  Bastien Presenti ,  Jihua Cheng ,  Jeeyoung Choi

    IPC: A61C7/36 ,  A61C7/00 ,  G06F17/50 ,  A61C7/08

    CPC classification number: A61C7/36 ,  A61C7/002 ,  A61C7/08 ,  G06F17/50

    Abstract: A series of appliances including a first shell and a second shell can be designed to incrementally implement a treatment plan. The first and second shells can have cavities designed to receive teeth of a jaw. A first number of bite adjustment structures can be formed of a same material as the first shell, extending therefrom and designed to interface with teeth of a second jaw. The first number of bite adjustment structures can have a first shape and location specific to a first stage of the treatment plan. A second number of bite adjustment structures can be formed of a same material as the second shell, extending therefrom and designed to interface with teeth of the second jaw. The second number of bite adjustment structures can have a second shape and location, different than the first shape and location, specific to a second stage of the treatment plan.

    Abstract translation: 包括第一壳和第二壳的一系列设备可以被设计成逐渐实施治疗计划。 第一和第二壳体可以具有设计成接收颚牙齿的空腔。 第一数量的咬合调节结构可以由与第一壳体相同的材料形成，从其延伸并设计成与第二钳口的齿相接触。 第一数量的咬合调整结构可以具有第一形状和特定于治疗计划的第一阶段的位置。 第二数量的咬合调整结构可以由与第二壳体相同的材料形成，从其延伸并设计成与第二钳口的齿相接触。 第二数量的咬合调整结构可以具有与处理计划的第二阶段特定的第一形状和位置不同的第二形状和位置。

    Methods for orthodontic progress tracking
    40.
    发明授权
    Methods for orthodontic progress tracking 有权

    公开(公告)号：US12226277B2

    公开(公告)日：2025-02-18

    申请号：US16418612

    申请日：2019-05-21

    Applicant: Align Technology, Inc.

    Inventor： Fuming Wu ,  Vadim Matov ,  Jihua Cheng

    IPC: A61C7/00 ,  A61C7/08 ,  A61C9/00 ,  G06F18/22 ,  G06T7/00 ,  G06T7/60 ,  G06T7/73

    Abstract: A method may include generating a comparison of one or more anatomical reference shapes and one or more surface features on a planned dentition model with a corresponding one or more anatomical reference shapes and one or more surface features on a tracking dentition model using a coarse to fine volume 3D array to represent one or both of the plan model and the tracking model to minimize distances between teeth represented in the plan model and corresponding teeth represented in the tracking model. The method may also include detecting one or more positional differences between the anatomical reference shapes and surface features of the plan model and the corresponding anatomical reference shapes and surface features of the tracking model based on the comparison and generating a modified treatment plan based on the one or more detected positional differences.

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