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Computer-aided-design individual arch bar and manufacturing method thereof

A computer-aided and production method technology, applied in dentistry, medical science, etc., can solve problems such as computer-aided modeling difficulties and complex shapes, and achieve the effects of reducing the possibility of nosocomial infection, reducing the impact, and improving production accuracy

Active Publication Date: 2016-03-23
PEKING UNIV SCHOOL OF STOMATOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the complex shape and variety of removable partial denture components, which vary from person to person, computer-aided modeling is difficult, and it is still difficult to realize fully automated CAD design. Therefore, computer-aided design and production of individual dental arch splints are not widely used application

Method used

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  • Computer-aided-design individual arch bar and manufacturing method thereof
  • Computer-aided-design individual arch bar and manufacturing method thereof
  • Computer-aided-design individual arch bar and manufacturing method thereof

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Embodiment Construction

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0045] figure 1 It is a flowchart of a computer-aided design method for making an individualized dental arch splint according to an embodiment of the present invention; as shown in the figure, the computer-aided design method for making an individualized dental arch splint includes the following steps:

[0046] S1: Make a plaster model of the patient's teeth and jaws;

[0047] In this step, the plaster model of the patient's teeth and jaws can be made using c...

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Abstract

The invention relates to a manufacturing method of a computer-aided-design individual arch bar and the individual arch bar manufactured with the same. The manufacturing method of the computer-aided-design individual arch bar includes the steps of obtaining tooth-jaw-plaster-model three-dimensional data; constructing a tooth-jaw three-dimensional model; selecting a plurality of discretization fixed points at the portions, a set distance away from the edge of gingiva, of the labial buccal surfaces of teeth in the tooth-jaw three-dimensional model to generate a curved cylinder model, and generating curved-cylinder three-dimensional data corresponding to the curved cylinder model; carrying out Boolean subtraction operation on the tooth-jaw-plaster-model three-dimensional data and the curved-cylinder three-dimensional data to generate arch-bar-body three-dimensional data, and generating an arch bar body model corresponding to the arch-bar-body three-dimensional data; generating a plurality of drawing hook models and drawing-hook three-dimensional data corresponding to the drawing hook models; generating three-dimensional data of the arch bar; manufacturing the individual arch bar according to the three-dimensional data of the arch bar.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a computer-aided design individualized dental arch splint and a manufacturing method thereof. Background technique [0002] Intermaxillary fixation (IMF) and intermaxillary traction (IMT) are widely used methods in orthognathic surgery and jaw fracture treatment, the purpose of which is to reconstruct and adjust the occlusal relationship to restore the physiological function of the oral and masticatory system . [0003] Dental arch splint (archbar) is a traditional intermaxillary traction fixation tool, which has been widely used clinically. At present, the commonly used dental arch splints include commercial alloy dental arch splints and individualized artificial forged dental arch splints. [0004] The commercial alloy dental arch splint is bent and trimmed according to the shape of the patient's dental arch by the surgeon during the operation, and then ligated to the dentition...

Claims

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Application Information

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IPC IPC(8): A61C19/06
Inventor 何伟李自力谢晓艳田凯月麻名福孙玉春甘鹏威
Owner PEKING UNIV SCHOOL OF STOMATOLOGY
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