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Processing technology of fixed denture

A fixed denture and processing technology technology, applied in the field of denture processing, can solve the problems of high processing cost, long processing time, poor cutting performance, etc., achieve the effect of convenient and fast processing, improve processing accuracy, and reduce wear

Pending Publication Date: 2022-02-18
苏州必优特医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main processes of the processing technology of the fixed denture in the prior art include: tooth impression taking, impression material extraction impression, gypsum perfusion model, duplication of craftsman's work model, design and manufacture of wax-type, filler hydrostatic molding, sintering molding and grinding and polishing. The surface of the tooth is uneven, and the ceramic material itself has high hardness, poor cutting performance, and high processing cost. When the above-mentioned processing technology is used for cutting and grinding of dentures, the processing time will be longer and the cutting and grinding process will be relatively long. The grinding head in the equipment wears a lot, the edge of the denture is prone to chipping, and the processing quality is difficult to control

Method used

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  • Processing technology of fixed denture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A processing technology for fixed dentures, such as figure 1 shown, including the following steps:

[0031] S1. Make a plaster dental mold: make a plaster dental mold with the same shape and structure as the internal tooth shape of the patient's oral cavity according to the impression film obtained from the patient's mouth;

[0032] S2. Making denture molds: use a 3D scanner to scan the gypsum dental mold in 3D, and then process and modify the denture surface according to the design requirements to construct a 3D model of the denture, and then use a 3D printer to prepare a denture mold based on the constructed 3D model of the denture. ;

[0033] S3. Making green embryos: filling the denture mold with ceramic powder, and then placing the denture mold in an isostatic press for isostatic pressing to obtain green dentures. The control pressure during the isostatic pressing molding process is 160MPa , keep the pressure for 7 minutes and release the pressure;

[0034] S4. ...

Embodiment 2

[0042] A processing technology for fixed dentures, comprising the following steps:

[0043] S1. Make a plaster dental mold: make a plaster dental mold with the same shape and structure as the internal tooth shape of the patient's oral cavity according to the impression film obtained from the patient's mouth;

[0044] S2. Making denture molds: use a 3D scanner to scan the gypsum dental mold in 3D, and then process and modify the denture surface according to the design requirements to construct a 3D model of the denture, and then use a 3D printer to prepare a denture mold based on the constructed 3D model of the denture. ;

[0045] S3. Making green embryos: filling the denture mold with ceramic powder, and then placing the denture mold in an isostatic press for isostatic pressing to obtain green dentures. The control pressure during the isostatic pressing molding process is 120MPa , keep the pressure for 10 minutes and release the pressure;

[0046] S4. Pre-sintering: put the ...

Embodiment 3

[0054] A processing technology for fixed dentures, comprising the following steps:

[0055] S1. Make a plaster dental mold: make a plaster dental mold with the same shape and structure as the internal tooth shape of the patient's oral cavity according to the impression film obtained from the patient's mouth;

[0056] S2. Making denture molds: use a 3D scanner to scan the gypsum dental mold in 3D, and then process and modify the denture surface according to the design requirements to construct a 3D model of the denture, and then use a 3D printer to prepare a denture mold based on the constructed 3D model of the denture. ;

[0057] S3. Making green embryos: filling the denture mold with ceramic powder, and then placing the denture mold in an isostatic press for isostatic pressing to obtain green dentures. The control pressure during the isostatic pressing molding process is 180MPa , keep the pressure for 5 minutes and release the pressure;

[0058] S4. Pre-sintering: put the r...

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Abstract

The invention discloses a processing technology of a fixed denture. The processing technology comprises the following steps of: S1, manufacturing a gypsum dental model; S2, manufacturing a denture mold; S3, making a green body; S4, conducting pre-sintering; S5, performing shape processing; S6, conducting high-temperature sintering; S7, performing fine processing; S8, inspecting a finished product; and S9, conducting disinfecting and packaging. According to the method, the working efficiency is remarkably improved on the basis of ensuring the precision, and the finally obtained fixed denture is high in structural strength and relatively long in service life.

Description

technical field [0001] The invention relates to the technical field of denture processing, in particular to a processing technology for fixed dentures. Background technique [0002] In clinical medicine, after a person's teeth fall out due to disease or age, it is necessary to install dentures for treatment. According to the type of dentures, it is divided into two categories: removable dentures and fixed dentures. Among them, fixed dentures are a relatively new technology that has developed rapidly in recent years. By implanting implants in the alveolar bone, the implants and After the alveolar bone forms osseointegration, the denture is fixed on the implant. [0003] Ceramic materials are widely used in the preparation of fixed dentures due to their excellent biocompatibility, physical and chemical stability, material properties close to teeth, not easy to adhere to plaque, beautiful and natural color closer to real teeth and many other advantages. The main processes of ...

Claims

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Application Information

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IPC IPC(8): A61C13/083A61C13/08A61K6/802A61K6/818A61K6/822A61K6/849A61K6/86C04B35/10C04B35/48C04B35/505C04B35/565C04B35/584C04B35/63
CPCA61C13/0835A61C13/081C04B35/505C04B35/48C04B35/565C04B35/10C04B35/584C04B35/6303C04B35/6316A61K6/818A61K6/822A61K6/802A61K6/86A61K6/849C04B2235/602C04B2235/6562C04B2235/6567
Inventor 冯建
Owner 苏州必优特医疗器械有限公司
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