Method for preparing pearl natural biological coating on metal tooth transplant surface

A technology of dental implants and biological coatings, applied in dental preparations, dental prostheses, dentistry, etc., can solve problems that have not yet been introduced to the market, and achieve the effect of improving clinical success rate and large bone tissue compatibility

Inactive Publication Date: 2005-03-02
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to various reasons, the products of this type of coating have not been introduced to the market so far.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Use 2-6-year-old freshwater pearl-containing sailfish. The mantle pearl sac contains long strip pearls with a diameter of 3-5mm and a length of 10-20mm. A threaded pure titanium dental implant with a size of 8-15 mm is implanted in the pearl sac, and antibacterial drugs such as aureomycin and cephalosporin are dripped into the wound to prevent inflammation. After being put back into cultivation, the epithelial cells in the original pearl sac secrete nacreous substances on the surface of the dental implant. After 1 to 6 months of cultivation, pearls with a thickness of about 200 to 500 μm grow on the surface of the implant and are firmly bonded to the titanium surface. Pearlescent coating. After grinding, the coating can be obtained with a shape and size that meet the implant requirements.

Embodiment 2

[0016] Use 2-6-year-old freshwater clam without pearl triangle, and take the mantle epithelial cell tissue from the body of the same species, cut it into strips, and stick the epithelial cell tissue strip on a diameter of φ3.5 ~ 5mm and a length of 8 ~ 15mm. The surface of the threaded pure titanium dental implant is implanted in the mantle of the pearl oyster, and antibacterial drugs such as aureomycin and cephalomycin are dripped into the wound to prevent inflammation. After returning to culture, the epithelial cells secreted nacre on the surface of the dental implant by itself. After 1-6 months of culture, a nacre coating with a thickness of about 200-500 μm and firmly bonded to the titanium surface grew on the surface of the implant. After grinding, the coating can be obtained with a shape and size that meet the implant requirements.

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PUM

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Abstract

The present invention discloses the method of preparing natural biological pearl coating on the surface of metal tooth implant. The metal tooth implant is implanted inside pearl shell and cultured for one period to form one layer of natural biological coating comprising calcium carbonate and organic matter on the surface of metal tooth implant. The coating is hard and firmly combined with the metal substrate and has excellent bone tissue compatibility of natural pearl essence.

Description

technical field [0001] The invention relates to a method for preparing a natural nacre biological coating on the surface of a metal dental implant, in particular to a method for growing a natural nacre biological coating on the surface of a metal dental implant in a pearl oyster. Background technique [0002] Metal dental implants are widely used to replace missing teeth. The key to the success of dental implant surgery is whether the gum bone can quickly grow to the surface of the implant and firmly bond with the surface after the implant is placed in the gum. Dental implants currently used are basically made of pure titanium, which cannot quickly integrate with the gum bone. Therefore, various surface treatment methods are produced accordingly. In the early days, plasma sprayed hydroxyapatite coating was used. The spraying process must experience high temperatures above 1500°C. The phase structure of the coating is complex, and there is a large interface stress between t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C8/00A61C13/00A61C13/02A61K6/00
CPCY02A40/81
Inventor 王小祥
Owner ZHEJIANG UNIV
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