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Manufacturing method of invisible correcting device and based on numerical control machining

A technology of invisible aligners and manufacturing methods, which is applied in the field of orthodontics, can solve the problems of low precision and high cost of invisible aligners, and achieve the effects of saving costs, protecting from scratches, and preventing falling off

Inactive Publication Date: 2016-03-02
肖然 +1
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  • Description
  • Claims
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Problems solved by technology

[0004] Aiming at the above defects or improvement needs of the prior art, the present invention provides a method for manufacturing an invisible aligner, the purpose of which is to use numerical control machining to manufacture a solid dental model, thereby solving the problem of high cost and low precision of the invisible aligner. technical problem

Method used

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  • Manufacturing method of invisible correcting device and based on numerical control machining
  • Manufacturing method of invisible correcting device and based on numerical control machining

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Embodiment 1

[0042] Example 1 Manufacture of bracketless invisible appliance

[0043] 1. Obtain the patient's silicone dental mold.

[0044] 2. Make the patient's plaster dental jaw prototype according to the dental jaw female mold.

[0045] 3. Scan the patient's gypsum dental jaw prototype with a laser three-dimensional scanner to obtain the patient's oral data, and establish a three-dimensional model of the patient's oral cavity based on the oral data. The three-dimensional model includes teeth and gum data.

[0046] 4. The dentist designs a treatment plan based on the three-dimensional dental model, adjusts the teeth to be corrected to the target correction position, and obtains the final mobile dental model.

[0047] 5. According to the movement path of the tooth to be corrected on the final mobile jaw model, use CAD simulation software to generate a series of orthodontic jaw models at various stages, in which the maximum displacement of each tooth to be corrected in each step is 0.25mm.

[0048]...

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Abstract

The invention discloses a manufacturing method of an invisible correcting device and based on numerical control machining. The manufacturing method includes: constructing original three-dimensional tooth jaw data; building tooth jaw three-dimensional models at 5-80 stages in total in the correcting process; using epoxy resin as a raw material; utilizing a numerical control machining method to machine the tooth jaw three-dimensional models to be solid tooth jaw models respectively; utilizing the solid tooth jaw models to press to form the invisible correcting device, shearing, polishing and then delivering the invisible correcting device to a patient to use. Through the method, the invisible correcting device manufactured reaches 0.005mm in accuracy, so that correcting effect is improved; light-cured resin which is expensive is not needed, and the raw material is recyclable, so that production cost is saved and the manufacturing method has a wide application prospect.

Description

Technical field [0001] The invention belongs to the field of orthodontics, and more specifically relates to a method for manufacturing an invisible appliance based on numerical control processing. Background technique [0002] Bracket-free invisible orthodontics were first introduced by the American AlignTech company in 1998, and then introduced into the domestic market by the Capital Medical University and Beijing Times Angel Company, and have been promoted and used in China since 2006. Compared with the traditional fixed bracket orthodontics technology, which is fixed orthodontics or braces, the invisible braces without brackets are safer and more comfortable, and will not cut the oral tissue due to the fixed brackets. At the same time, the bracketless invisible appliance will not affect the aesthetics of the oral cavity after being worn by the patient. The patient can take the belt by himself, is convenient to wear, the chairside operation time is short, and there is no need ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C7/08A61K6/087A61K6/891
CPCA61C7/002A61C7/08A61K6/891C08L63/00
Inventor 肖然肖建中方瑞罗敏
Owner 肖然
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