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A standard detection method for 3D printing accuracy of dental medical products

A technology for medical products and 3D printing, applied in measurement devices, instruments, optical devices, etc., can solve problems such as the inability to meet printing accuracy, and achieve the effect of easily determining the source of errors

Active Publication Date: 2021-08-31
NANJING PROFETA INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For 3D printers known to have very high basic printing accuracy, they may not be able to meet the printing accuracy requirements when used to print personalized and complex oral medical products

Method used

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  • A standard detection method for 3D printing accuracy of dental medical products
  • A standard detection method for 3D printing accuracy of dental medical products

Examples

Experimental program
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Embodiment Construction

[0017] The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

[0018] See figure 1 , 2 A dental article according to the present invention, 3D printing accuracy of standard detection methods, the following steps:

[0019] 1) Design and use the CAD software processing accuracy of 1-5 microns CNC machining centers edentulous fixed denture model standard preparation thereof;

[0020] 2) Design of dentures in edentulous fixed denture using CAD software, the three-dimensional data D0, an outer surface of the data D1, D2 of the inner surface of the data;

[0021] 3) Evaluation of the use of a 3D printer to be processed into solid, and fully seated in the standard preparation dentures in edentulous fixed body model, the three-dimensional three-dimensional data obtained by scanning the outer surface of the D3;

[0022] 4) Take the whole surface of the stamper with a fixed bridge dentition medical silicone rubber, and thr...

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Abstract

The invention relates to a standard detection method for 3D printing accuracy of oral medical products, which comprises the following steps: designing and processing a standard preparation model of a full dentition fixed denture; designing a full dentition fixed denture data D0, the outer surface data is D1, and the inner surface data D2; use the 3D printer to be evaluated to process the entity, place it on the standard preparation model of the full dentition fixed denture, and scan to obtain the three-dimensional data of the outer surface D3; make an impression of the inner surface of the full dentition fixed denture, and scan it to obtain D4 ; Use the common area registration algorithm to register D1, D2, D3, and D4 to D0 respectively; use the 3D deviation analysis command to calculate the single tooth, multiple teeth, and single-jaw full dentition between D1 and D3, and between D2 and D4 The average distance and root mean square error value of . The invention can quickly quantify the actual printing accuracy of the 3D printer when printing different oral medical products, different dental arch spans, and different manufacturing stages, so as to facilitate the determination of error sources and the improvement of the printing process.

Description

Technical field [0001] The present invention relates to a 3D printing accuracy of detection, particularly relates to a method for detecting a standard dental article 3D printing accuracy. Background technique [0002] 3D printing has become increasingly widely used in clinical diagnosis and treatment of oral cavity, mainly for the rapid production of a variety of materials and shapes of oral treatment aids and dental prosthesis. It is known for high precision printing of the basic 3D printer for personalized printing complex morphology oral medical article, or may not meet the requirements of printing accuracy. Oral clinical highest precision multi-bit combined fixed dental prosthesis, such as a single planting edentulous jaw fixed bridge. If they can meet the accuracy requirements of this print fixed bridge, the printer may be considered to meet the vast majority of oral clinical precision printing needs. Inventive content [0003] Object of the present invention to provide a m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/00G01B11/24G01B21/02
CPCG01B11/00G01B11/24G01B21/02
Inventor 孙玉春段轶豪赵一姣白鹤飞马珂楠
Owner NANJING PROFETA INTELLIGENT TECH CO LTD
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