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Nano titania material for filling root canal of teeth, filling material and mfg. method

A nano-titanium dioxide and filling material technology, applied in dental preparations, dentistry, dental prostheses, etc., can solve the problems of toxicity and poor antibacterial performance, and achieve the effects of good biocompatibility, stable physical and chemical properties, and strong antibacterial effect.

Inactive Publication Date: 2005-01-26
HOSPITAL ATTACHED TO QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problems of certain toxicity and poor antibacterial performance existing in the prior art.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: The root canal filling material selects nano-titanium dioxide, and its particle size is 10-100nm, wherein the particle size accounts for 65% at 40-60nm. The blending agent is silicone oil, and the weight ratio of nano-titanium dioxide to silicone oil is 1: 0.4 , according to the above-mentioned ratio to reconcile evenly, and prepare a paste with suitable fluidity, which can be used as a root canal filling agent.

Embodiment 2

[0013] Embodiment 2: the root canal filling material is selected nano-titanium dioxide, its particle size is 10-100nm, wherein the particle size accounts for 70% at 40-60nm, the blending agent is eugenol, the weight ratio of nano-titanium dioxide and eugenol The ratio is 1:0.5, and it is evenly blended according to the above ratio, and prepared into a paste with suitable fluidity, which can be used as a root canal filling agent.

Embodiment 3

[0014] Example 3: The root canal filling material is nano-titanium dioxide with a particle size of 10-100 nm, of which the particle size is 40-60 nm and accounts for 75%. Silicone oil and eugenol are selected as blending agents. Silicon oil and eugenol Each accounted for 50%, the weight ratio of the sum of nano-titanium dioxide, silicone oil and eugenol is 1:0.6, according to the above-mentioned ratio, they are evenly blended, and prepared into a paste with suitable fluidity, which can be used as a root canal filling agent.

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Abstract

A nano-class TiO2 material as the filler is dental canal is disclosed. Its advantages are stronger antibacterial action, stable physical and chemical properties, no poison and good biocompatibility.

Description

technical field [0001] The invention relates to a root canal filling material, a filling agent and a manufacturing method. Background technique [0002] In the final stage of root canal treatment, fillings are used to fill the main canal of the tooth. And existing filling material mainly adopts gutta-percha, calcium hydroxide, zinc oxide and iodoform. Since calcium hydroxide and iodoform are absorbed in the human body, they can only be used as additives in root canal filling materials, and cannot be used as main filling materials for long-term root canal treatment. The commonly used clinical form of gutta-percha is solid, which cannot completely fill the root canal during clinical application, and it is necessary to add paste materials. If the chloroform is used to dissolve the gutta-percha into a paste according to conventional practice, it will have a very toxic effect on the body. As a root canal filling material, zinc oxide has disadvantages in clinical use: 1. First,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K6/04
Inventor 陈建治彭红艳
Owner HOSPITAL ATTACHED TO QINGDAO UNIV
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