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Whisker-reinforced zirconia implants

A technology of implants and zirconia, applied in the direction of prosthesis, ceramic products, applications, etc., can solve the problems of zirconia implant surface structure changes, lack of long-term, large samples, expensive implants, etc., to achieve excellent biocompatibility Sexuality and biological activity, excellent osseointegration rate, and the effect of avoiding abnormal grain growth

Active Publication Date: 2022-04-19
HANGZHOU ERRAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 4. However, titanium itself has a high melting point and is not easy to manufacture; the morphology of the implant surface (roughness, shape, special design, surface physical and chemical properties) has a great influence on the implant effect; implants are all imported, technology monopoly + taxes, etc. Causes the implant itself to be expensive
Surface treatment technology can improve the roughness, but it may lead to changes in the surface structure of zirconia implants and accelerate aging, especially the preparation of the top structure, which may reduce the fracture toughness. Although zirconia implant systems have been used clinically abroad, there is a lack of Long-term, large-sample, randomized controlled clinical trials, more in-depth research is still needed before the zirconia system is used as a routine implant
The urgent problems to be solved for zirconia implants are 1. The strength and fracture toughness of zirconia implants need to be greatly improved; 2. The biocompatibility and bioactivity of zirconia implants need to be greatly improved; 3. The zirconia implants need to be greatly improved. Enhance and improve the bonding strength between zirconia implants and human gums; 4. Need to improve the aesthetic requirements of zirconia implants

Method used

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  • Whisker-reinforced zirconia implants
  • Whisker-reinforced zirconia implants
  • Whisker-reinforced zirconia implants

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] A whisker-reinforced zirconia implant, comprising a one-stage implant, the one-stage implant includes a whisker-reinforced zirconia implant matrix 1, and the whisker-reinforced zirconia implant matrix 1 consists of an upper The abutment, the neck part used to connect and support the abutment in the middle, and the body part of the lower part used to connect bone tissue and fix the implant constitute an integrated structure; the material of the whisker-reinforced zirconia implant matrix 1 is Whisker-reinforced zirconia, the raw materials of the whisker-reinforced zirconia include main materials and additives, the main material is composed of 80% zirconia and 20% whiskers by mass percentage, and the additives account for whiskers The percentage by weight includes: 1% ultra-fine nano-alumina powder, 0.1% ultra-fine nano-silicon oxide powder.

[0075] The center of the abutment of the whisker-reinforced zirconia implant matrix 1 is provided with an inner hole for installati...

Embodiment 2

[0083] The difference between this embodiment and Embodiment 1 is that: a color-shielding layer is provided on the inner surface of the inner hole of the abutment, and the color-shielding degree of the color-shielding layer can be divided into three levels: severe, moderate and light. To meet the opaque needs of implants with different transparency, the thickness of the opaque layer is 20 to 200 microns.

[0084] Others are the same as in Example 1.

Embodiment 3

[0086] A whisker-reinforced zirconia implant, including a two-stage implant, the two-stage implant includes a whisker-reinforced zirconia implant matrix 2, and the whisker-reinforced zirconia implant matrix 2 consists of The upper part is used to connect and support the neck of the abutment and the lower part is used to connect the bone tissue and fix the implant. Strong zirconia, the raw material of the whisker-reinforced zirconia includes main materials and additives, the main material is composed of 99% zirconia and 1% whiskers by mass percentage, and the additives are based on the percentage of whisker weight Including: 0.1% ultra-fine nano-alumina powder.

[0087] The center of the neck of the whisker-reinforced zirconia implant matrix 2 is provided with an inner hole for installation, and the center of the bottom of the inner hole is provided with a connecting threaded hole. The outer surface of the body is a thread structure with a pitch of 0.2-6mm, single or multiple ...

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Abstract

The invention discloses a whisker-reinforced zirconia implant, which comprises a one-stage implant and a two-stage implant, the one-stage implant includes a whisker-reinforced zirconia implant matrix 1, and the whisker Strong zirconia implant matrix—an integrated structure composed of the upper abutment, the middle neck for connecting and supporting the abutment, and the lower body for connecting bone tissue and fixing the implant; the two-stage The implant includes a whisker-reinforced zirconia implant base 2, the whisker-reinforced zirconia implant base 2 consists of an upper neck for connecting and supporting the abutment and a lower part for connecting bone tissue and fixing the implant A unitary structure composed of body parts. The invention improves the strength and fracture toughness of the zirconia implant, and takes into account biocompatibility, bioactivity and aesthetic performance.

Description

technical field [0001] The invention relates to the technical field of dental prosthesis production, in particular to a whisker-reinforced zirconia implant. Background technique [0002] The development and research status of implant materials [0003] 1. Dental implant refers to a method of restoring missing teeth based on the lower structure implanted in bone tissue to support and retain the upper tooth restoration. It includes two parts: the lower supporting implant (dental implant) and the upper dental restoration (dental prosthesis, implant-supported). Artificial materials (such as metal, ceramics, etc.) are used to make implants (generally similar to tooth roots), which are surgically implanted into tissues (usually the upper and lower jaws) and obtain firm retention support from bone tissue, through special devices and methods Connection to support the upper dental restoration. In modern times, people try to use artificial materials to make implants of various shap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61L27/02A61L27/30A61L27/50A61L27/54C04B35/80C04B35/10C04B35/16C04B35/48C04B35/622C04B38/00
CPCA61L27/025A61L27/306A61L27/50A61L27/54C04B35/48C04B35/622C04B35/16C04B38/00C04B35/10C04B35/62218A61L2430/12A61L2400/12A61L2400/18A61L2420/02
Inventor 李廷凯刘文广赵武元沈志坚杨进
Owner HANGZHOU ERRAN TECH
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