Dental zirconia repair material as well as preparation method and application thereof

A restoration material, zirconia technology, applied in dental preparations, dentistry, dental prostheses, etc., can solve problems such as missing gums, and achieve the effects of good machinability, simple process flow, and good application prospects

Active Publication Date: 2022-06-28
AIDITE (QINHUANGDAO) TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problems existing in the prior art, the object of the present invention is to provide a dental zirconia restorative material and its preparation method and application. The restorative material combines the gingiva part and the tooth part to solve the problem of gingiva loss in implant restoration. problems, ensure the strength of the material, and have a good application prospect

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  • Dental zirconia repair material as well as preparation method and application thereof
  • Dental zirconia repair material as well as preparation method and application thereof
  • Dental zirconia repair material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] The present embodiment provides a dental zirconia restoration material and a preparation method thereof. The restoration material includes a gingival part and a monochromatic tooth body part that are connected to each other, and the raw material table of each part is shown in Table 1.

[0058] Table 1

[0059] 3Y-TZP / wt% Er 2 O 3 -ZrO 2 / wt%

Fe 2 O 3 / wt%

Gum part 60 40 - Tooth part 99.5 - 0.5

[0060] The preparation method of the above-mentioned repair material comprises the following steps:

[0061] (1) Place the mixed gingival-colored raw material in the mold to be flattened, and then flatten the mixed tooth-colored raw material in the mold;

[0062] (2) dry pressing the mold assembled in step (1) under the condition of 1MPa for 10s, then cold isostatic pressing under the condition of 100MPa for 60s, and pre-sintering under the condition of 1200℃ for 120min to obtain a green body; The green body is processed by CAD / ...

Embodiment 2

[0064] This embodiment provides a dental zirconia restoration material and a preparation method thereof. The restoration material includes a red gingival part and a gradient-colored tooth part that are connected to each other, and the gradient-color formation includes two porcelain layers, the gingival part and the Table 2 shows the raw materials of each porcelain layer in the tooth body.

[0065] Table 2

[0066] 4Y-TZP / wt% Er 2 O 3 -ZrO 2 / wt%

Cr 2 O 3 / wt%

Fe 2 O 3 / wt%

Pr 6 O 11 / wt%

Gum part 40 59.7 0.25 0.05 - first porcelain layer 94 3 - 2 1 second layer of porcelain 95.2 2.4 - 1.6 0.8

[0067] The preparation method of the above-mentioned repair material comprises the following steps:

[0068] (1) place the mixed gum-colored raw material in the mould first and then flatten the mixed first porcelain layer raw material and the second porcelain layer raw material in the mould successively;

...

Embodiment 3

[0071] The present embodiment provides a dental zirconia restoration material and a preparation method thereof. The restoration material includes a red gingival part and a gradient-colored tooth part that are connected to each other, and the gradient-color formation includes four porcelain layers, the gingival part and the Table 3 shows the raw materials of each porcelain layer in the tooth body.

[0072] table 3

[0073] 5Y-TZP / wt% Er 2 O 3 -ZrO 2 / wt%

Fe 2 O 3 / wt%

Co 3 O 4 / wt%

MnO 2 / wt%

Gum part 3 96.75 0.2 0.02 0.03 first porcelain layer 91.93 5 3 0.05 0.02 second layer of porcelain 92.737 4.5 2.7 0.045 0.018 third layer of porcelain 93.463 4.050 2.430 0.041 0.016 Fourth Porcelain Layer 94.117 3.645 2.187 0.036 0.015

[0074] The preparation method of the above-mentioned repair material comprises the following steps:

[0075] (1) place the mixed gum-colored raw material in ...

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Abstract

The invention provides a dental zirconia repair material as well as a preparation method and application thereof. The repair material comprises a gingiva part and a tooth part which are connected with each other, the preparation method comprises the following steps: firstly, placing mixed gingiva color raw materials in a mold, paving the mixed gingiva color raw materials in the mold, and then sequentially paving the mixed gingiva color raw materials in the mold according to a color sequence from deep to light; sequentially carrying out dry pressing, cold isostatic pressing and pre-sintering to obtain a biscuit; then the biscuit is sequentially processed, formed and sintered, and the dental zirconia repair material is obtained. According to the repairing material, the gingiva part is combined with the tooth body part, so that the problem of gingiva loss in the implant tooth is solved, the attractiveness of the implant tooth is ensured, and the repairing material has a relatively good application prospect.

Description

technical field [0001] The invention belongs to the technical field of dental materials, in particular to a dental zirconia repair material and a preparation method and application thereof. Background technique [0002] Ceramic materials have become one of the main materials to replace the hard tissue of natural teeth due to their excellent simulated aesthetic effects and biocompatibility. Among them, zirconia ceramics are currently the most popular choice. With the improvement of the preparation process of dental zirconia materials, its Transparency, color and other properties have reached the aesthetic needs. However, although the dental zirconia ceramic restoration materials prepared at present are very close to natural teeth, in the face of the problem of partial gingival loss in actual implant restoration, they cannot be very effectively restored, which seriously affects the appearance. [0003] CN107175747A discloses a dental zirconia restoration material with uniform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/48C04B35/622A61K6/78A61K6/818
CPCC04B35/48C04B35/622A61K6/78A61K6/818C04B2235/3225C04B2235/3224C04B2235/3272C04B2235/3241
Inventor 李洪文周生刚吴海艳王媛孙建
Owner AIDITE (QINHUANGDAO) TECH CO LTD
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