Virtual modeling of gingival adaptation to step-by-step orthodontic treatment and related appliance manufacturing method

A gingival and mold technology, which is applied in the field of virtual modeling for gingival adaptation to gradual orthodontic treatment and related appliance manufacturing, and can solve problems such as poor fitting of aligners and inaccurate update of gingival shape.

Active Publication Date: 2021-01-22
CLEARCORRECT OPERATING LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result, even if the aligners from the initial steps of treatment fit properly, inaccurate updates to the shape of the gums will lead to progressively worse fit of the aligners in subsequent steps of treatment

Method used

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  • Virtual modeling of gingival adaptation to step-by-step orthodontic treatment and related appliance manufacturing method
  • Virtual modeling of gingival adaptation to step-by-step orthodontic treatment and related appliance manufacturing method
  • Virtual modeling of gingival adaptation to step-by-step orthodontic treatment and related appliance manufacturing method

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Embodiment Construction

[0020] The present application describes systems and methods for generating a digital model that allows for adaptation to the shape of a patient's gums during orthodontic treatment. Initial tooth and gingival contours were obtained from 3D scans of patient tooth and gingival replicas or CT scans of patient tooth and gingival impressions. The initial profile and desired tooth movement are sent to software that generates new tooth and gum profiles. The software distributes force vectors between multiple gingival control points and tooth control points based on collected statistical and anatomical data. Each force vector represents the effect of tooth / gingival control point movement on adjacent gingival control points. By integrating the desired tooth movement with the initial contour, the software is able to generate a new contour including the desired tooth movement and the new gingival topology. The new outline can be sent to a 3D printer to make a new mold.

[0021] figur...

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Abstract

Systems and associated methods for generating a digital model that allow for adaptation to a patient's gingival shape are provided. This exemplary system uses an initial scan of the patient's gingiva as a base model that takes into account the type and morphology of the teeth, the shape, orientation and movement of the roots inside the gingiva, and other factors, for the purpose of monitoring the teeth at each step of the treatment. Can more accurately predict changes in gingival shape. In particular, the system prospectively determines the regions of the model that will be covered by the aligner and prevents changes to these regions, while changing the shape of the model outside of these regions in order to minimize the size of the model and add any required features.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. US 62 / 340960, filed May 24, 2016. technical field [0003] The present application relates to a system and associated method for generating a digital model that allows for adaptation to the shape of a patient's gums. Background technique [0004] Orthodontic aligners offer an alternative to traditional braces, which typically use braces connected by wires to realign teeth. Braces are for patients with mild or moderate crowding of teeth or closely spaced teeth. Patients undergoing orthodontic treatment with aligners periodically replace their original aligners with new and progressively different aligners so that the teeth gradually move from a first position to a second position and eventually towards the desired final position. The course of treatment may last from months to years, depending on how badly the teeth are misaligned. Orthotics may be ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61C7/00
CPCA61C7/002A61C7/08A61C2007/004
Inventor H·扬扎德赫E·T·京特贝格
Owner CLEARCORRECT OPERATING LLC
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