Artificial tooth root with micro-nano hierarchical topologic surface structure and preparation method of artificial tooth root

An artificial tooth root and surface structure technology, applied in dental preparations, surface reactive electrolytic coatings, dental implants, etc., can solve problems such as unreported, and achieve the effects of promoting deposition growth, increasing contact area, and promoting adhesion

Inactive Publication Date: 2012-10-24
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) First, select medical pure Ti to process the artificial tooth root model;

[0036](2) Artificial tooth root pretreatment: use the metallographic sandpaper of 600#, 800#, 1000#, and 1200# to polish the artificial tooth root step by step from coarse sand to fine sand, and then ultrasonically clean it with acetone, alcohol, and distilled water , dry and set aside.

[0037] (3) Electrolyte configuration: Use sodium carbonate solution system, configure 10L sodium carbonate solution with a concentration of 25g / L and potassium hydroxide solution with a concentration of 1g / L, stir and dissolve at a constant temperature of 40°C, and set aside;

[0038] (4) Micro-arc oxidation of the artificial tooth root model: place the artificial tooth root in the electrolytic cell of the bipolar pulse micro-arc oxidation equipment and add the configured electrolyte, use the artificial tooth root as the anode, and the stainless steel electrolytic cell as the cathode, and adjust the process...

Embodiment 2

[0042] (1) First choose pure Ti to process the artificial tooth root model;

[0043] (2) Artificial tooth root pretreatment: use the metallographic sandpaper of 600#, 800#, 1000#, and 1200# to polish the artificial tooth root step by step from coarse sand to fine sand, and then ultrasonically clean it with acetone, alcohol, and distilled water , dry and set aside.

[0044] (3) Electrolyte configuration: Use sodium carbonate solution system, configure 10L sodium carbonate solution with a concentration of 25g / L and potassium hydroxide solution with a concentration of 1g / L, stir and dissolve at a constant temperature of 40°C, and set aside;

[0045] (4) Micro-arc oxidation of artificial tooth root: place the artificial tooth root in the electrolytic cell of the bipolar pulse micro-arc oxidation equipment and add the prepared electrolyte, use the artificial tooth root as the anode and the stainless steel electrolytic cell as the cathode, adjust the process parameters to Artificia...

Embodiment 3

[0049] (1) Firstly, use pure medical titanium to process the artificial tooth root;

[0050] (2) Artificial tooth root pretreatment: use the metallographic sandpaper of 600#, 800#, 1000#, and 1200# to polish the artificial tooth root step by step from coarse sand to fine sand, and then ultrasonically clean it with acetone, alcohol, and distilled water , dry and set aside.

[0051] (3) Electrolyte configuration: Use sodium carbonate solution system, configure 10L sodium carbonate solution with a concentration of 25g / L and potassium hydroxide solution with a concentration of 1g / L, stir and dissolve at a constant temperature of 40°C, and set aside;

[0052] (4) Micro-arc oxidation of artificial tooth root: place the artificial tooth root in the electrolytic cell of the bipolar pulse micro-arc oxidation equipment and add the prepared electrolyte, use the artificial tooth root as the anode and the stainless steel electrolytic cell as the cathode, adjust the process parameters to A...

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Abstract

Disclosed are an artificial tooth root with a micro-nano hierarchical topologic surface structure and a preparation method of the artificial tooth root. The artificial tooth root is prepared by compounding a porous titanium dioxide surface layer with a zinc oxide nanorod or nanocone sedimentarily growing on the surface pore wall of the porous titanium dioxide surface layer, wherein the porous titanium dioxide surface layer is prepared with pure titanium or titanium alloy matrix by a microarc oxidation method, namely, the porous titanium dioxide bioactivity surface layer with an adjustable pore size is obtained by adjusting microarc oxidation parameters on the titanium matrix surface of the artificial tooth root, and the zinc oxide nanorod/nanocone is sedimentarily prepared on the titanium dioxide bioactivity surface layer by further adjusting electro-deposition parameters, so that the artificial tooth root with the micro-nano hierarchical topologic surface structure is formed. By the aid of the titanium dioxide micron porous structure with a rich surface and the zinc oxide nano-topologic structure sedimentarily growing on the pore wall of the titanium dioxide micron porous structure, the artificial tooth root can enhance biological effects of adhesion, growth, multiplication and the like of surface osteoblasts, slowly release zinc, and greatly improve antibacterial activity, biological activity, biocompatibility and cell regulation capacity of the surface in the early stage of implantation.

Description

technical field [0001] The invention relates to an artificial tooth root with a micro-nano hierarchical topological surface structure and a preparation method thereof. The artificial tooth root is made of a pure titanium or titanium alloy substrate, a porous titanium dioxide surface layer prepared by a micro-arc oxidation method, and a surface layer deposited and grown on the surface hole wall. Zinc oxide nanorods or nanocones are composited and belong to the field of human body hard tissue replacement materials. Background technique [0002] Dental implants can restore the function of missing natural tooth tissue, which allows patients with damaged tooth tissue that cannot be repaired by traditional methods to receive fundamental treatment and improve their quality of life. The commonly used artificial tooth root replacement material is metal material, because it is a biologically inert material, which cannot form a firm physiological bond with the gum tissue, and often loo...

Claims

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Application Information

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IPC IPC(8): A61L27/30A61L27/06A61K6/04A61C8/00C25D11/26C25D9/04
Inventor 储成林孙青刘政红陈锋余新泉
Owner SOUTHEAST UNIV
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