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A method for making an artificial tooth precise and individualized grinding and retention guide

A manufacturing method and technology for artificial teeth, applied in dentures, dentistry, manufacturing tools, etc., can solve problems such as occlusal relationship error and displacement, and achieve the effect of reducing the possibility of displacement, improving efficiency and accuracy, and improving manufacturing accuracy.

Active Publication Date: 2021-06-15
PEKING UNIV SCHOOL OF STOMATOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing complete denture production process, the artificial teeth are fixed separately. During the subsequent glue filling or injection molding process, when subjected to external pressure, they are prone to shift and cause errors in the occlusal relationship. many problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0014] The manufacturing method of a kind of artificial tooth accurate individualized grinding and retention guide plate of the present invention has the following steps:

[0015] 1) Complete the digital design of artificial dentition and base with complete denture CAD software;

[0016] 2) Evenly thinning the base tissue surface and polished surface by 0.5-1mm;

[0017] 3) The base data between two adjacent artificial teeth is retained, the data beyond 2mm from the gingiva-tooth junction is deleted, and the remaining data is output as an STL format file of the guide plate;

[0018] 4) Use 3D printing or dental CNC cutting machine to make metal or polymer material guide plate entities;

[0019] 5) Insert the artificial teeth of the corresponding type into the guide plate one by one, and grind off the artificial tooth cover ridge expo...

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Abstract

The invention relates to a manufacturing method of precise and individualized grinding and retaining guide plates for artificial teeth. Uniform thinning of 0.5‑1mm; the base data between two adjacent artificial teeth is retained, the data beyond 2mm from the gingival-dental junction is deleted, and the remaining part of the data is output as an STL format file of the guide plate; with 3D printing or dental CNC cutting machine to make metal or polymer material guide plate entities; insert the corresponding type of artificial teeth into the guide plate one by one, and grind off the artificial tooth cover ridge exposed to the outside of the guide plate; firmly bond the adjusted and ground artificial teeth to the guide plate , as a whole for subsequent complete denture processing. The invention can greatly improve the efficiency and precision of the individualized adjustment and grinding of the ridge part of the artificial tooth cover, significantly reduce the possibility of displacement of the artificial teeth during glue filling or injection molding, and improve the final manufacturing precision of the complete denture.

Description

technical field [0001] The invention relates to a precise and individualized grinding and retention guide plate for artificial teeth, in particular to a method for manufacturing a precise and individualized grinding and retention guide plate for artificial teeth. Background technique [0002] In the existing complete denture production process, the artificial teeth are fixed separately. During the subsequent glue filling or injection molding process, when they are subjected to external pressure, they are prone to shift and cause errors in the occlusal relationship, which brings great harm to the final production of complete dentures. many problems. Contents of the invention [0003] The purpose of the present invention is to provide a method for making precise and individualized grinding of artificial teeth and retaining guide plates, which can be used in the production process of complete denture labs, and can greatly improve the efficiency and efficiency of personalized ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61C13/00A61C13/08
CPCA61C13/0004A61C13/0019A61C13/08
Inventor 孙玉春周永胜王勇钟伟秋邓珂慧陈虎王子轩
Owner PEKING UNIV SCHOOL OF STOMATOLOGY