CN103340756A - Preparation method of tooth whitening gel based on barometric low-temperature plasma - Google Patents
Preparation method of tooth whitening gel based on barometric low-temperature plasma Download PDFInfo
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- CN103340756A CN103340756A CN2013102893533A CN201310289353A CN103340756A CN 103340756 A CN103340756 A CN 103340756A CN 2013102893533 A CN2013102893533 A CN 2013102893533A CN 201310289353 A CN201310289353 A CN 201310289353A CN 103340756 A CN103340756 A CN 103340756A
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Abstract
The invention aims to provide a preparation method of tooth whitening gel based on barometric low-temperature plasma for solving the shortcoming that the current clinic tooth whitening method using the gel containing high-concentration hydrogen peroxide has low efficiency and causes irritation to teeth and soft tissues. The concrete preparation method depends on a physical device, namely low-temperature plasma; a certain amount of gas is inhaled to a low-temperature plasma generating device, and the low-temperature plasma generating device is driven by electricity. A certain amount of blank gel is prepared and the device is put on the blank gel at a certain distance to stimulate interaction of the plasma and the blank gel. After the plasma has action with the blank gel for a certain time, the gel becomes the tooth whitening gel based on the barometric low-temperature plasma provided by the invention. The tooth whitening gel obtained by the method is nontoxic, free of irritation, peculiar smell and residue, and has a quite high tooth whitening effect (the present results are shown in Figure 1 in the abstract).
Description
Technical field
The invention belongs to the preparation method for tooth whitening reagent, be specifically related to the tooth whitening gel based on atmos low-temperature plasma
Background technology
Along with the raising of people's economic life level, tooth whitening is whitened and is accepted gradually as a kind of method that can promote the makings image.Yet at present clinical tooth whitening method commonly used is all based on the Oxidation of high-strength hydrogen peroxide, and some can accelerate to whiten to march into the arena by means of the catalysis of light.Yet present tooth whitening method mainly contains following several shortcoming: it is fast that (1) high-strength hydrogen peroxide infiltrates tooth speed, causes tooth uncomfortable responsive easily; (2) operation sequence complexity need be worn security apparatus such as rubber dam; (3) the used 480nm-520nm wavelength light of photocatalysis hydrogen phosphide gel tooth-whitening is according to causing damage to glasses.(4) if Peroxyl Gel accidentally contacts with soft tissue such as lip, can cause the soft tissue mucosa injury and cause oral ulcer.Therefore a kind of reagent of whitening safely and efficiently is for satisfying consumer's requirement, and it is significant for keeping the human physical and mental health to improve tooth whitening process safety and the efficient of whitening.
As material the 4th attitude after solid-state, liquid, gaseous state, plasma is subjected to people in recent years and pays close attention to.Plasma is high electrical breakdown gas and the mixture that comprises electronics, various ion, atom and free radical that produces.Plasma can be divided into different classifications: by the thermodynamical equilibrium classification, plasma can be divided into thermal balance plasma and nonthermal plasma; Press the system temperature classification, plasma is divided into low temperature plasma and high-temperature plasma.Low temperature plasma is because of its efficient cryogenic and have active characteristics such as chemical-biological activities and enjoy biomedical worker to pay close attention to.There are some researches show that it can have remarkable effect at aspects such as sterilization, wound healing, oncotherapy, tooth root canal and tooth whitenings.
Summary of the invention
The objective of the invention is in order to solve existing method for whitening above shortcomings, by means of plasma advantage safely and efficiently, provide a kind of preparation method of the gel that is used for tooth whitening based on the low temperature atmospheric pressure plasma.
Described a kind of tooth whitening gel process for preparing based on the low temperature atmospheric pressure plasma of the present invention, its concrete preparation method is:
(1) with the logical a certain amount of gas of low temperature plasma generating means.
(2) this low temperature plasma generating means is driven by electricity.
(3) get the blank gel of 0.001ml～1L, device is positioned over 0.01cm～1m place, blank gel top, activated plasma and blank gel phase mutual effect.
(4) behind 0.001s～10000s, gel namely becomes the tooth whitening gel based on atmos low-temperature plasma of the present invention.
(5) with above gained gelatification in people's tooth 0.001s～100000s, color of teeth Δ E can improve 3～10.
The preparation method of a kind of tooth whitening gel based on atmos low-temperature plasma of the present invention is characterized in that working gas is that air, oxygen and nitrogen are according to any proportioning, rare gas and any proportioning of oxygen etc., source of the gas wide material sources.
The preparation method of a kind of tooth whitening gel based on atmos low-temperature plasma of the present invention is characterized in that described electric driving can be unidirectional current or alternating current.
The preparation method of a kind of tooth whitening gel based on atmos low-temperature plasma of the present invention is characterized in that the blank gel of described gel for making with any proportioning with thickening agent, water, lithium carbonate.
The preparation method of a kind of tooth whitening gel based on atmos low-temperature plasma of the present invention is characterized in that scope action time of described plasma and blank gel is 0.001s～10000s.
The preparation method of a kind of tooth whitening gel based on atmos low-temperature plasma of the present invention is characterized in that volume that the gel whitening effect can be by adjusting gel and the interaction time of plasma and gel regulate.
The preparation method of a kind of tooth whitening gel based on atmos low-temperature plasma of the present invention, that whitening gelatin is characterised in that is nontoxic, non-stimulated, free from extraneous odour, noresidue and have very strong tooth whitening effect.
The preparation method of a kind of tooth whitening gel based on atmos low-temperature plasma of the present invention is characterized in that with tooth action time be 0.001s～100000s.
The specific embodiment
The present invention is described in detail with the following Examples.
Embodiment 1:
(1) the low temperature plasma generating means is passed to working gas with 300 liters/hour flow velocity, working gas is the air of compressor pump compression.
(2) driving power is dc source.
(3) get 1ml, blank gel is placed 1cm distance under the excitation device, power-on makes plasma and gel phase mutual effect.
(4) behind its interaction 20min, this gel is plasma gel of the present invention.
(5) above-mentioned gel is applied in tooth 5min, tooth can improve 3～10.
Figure of description
Fig. 1 is the time dependent whitening effect of plasma tooth whitening gel.
Claims (5)
1. preparation method based on the tooth whitening gel of atmos low-temperature plasma is characterized in that:
(1) with the logical a certain amount of gas of low temperature plasma generating means.
(2) this low temperature plasma generating means is driven by electricity.
(3) get the blank gel of 0.001ml～1L, device is positioned over 0.01cm～1m place, blank gel top, activated plasma and blank gel phase mutual effect.
(4) behind 0.001s～10000s, gel namely becomes the tooth whitening gel based on atmos low-temperature plasma of the present invention.
(5) with above gained gelatification in people's tooth 0.001s～100000s, color of teeth Δ E can improve 3～10.
2. working gas according to claim 1 can be air, oxygen and nitrogen according to any proportioning, rare gas and any proportioning of oxygen etc.
3. electric driving according to claim 1 can be unidirectional current or alternating current.
4. gel according to claim 1 is the blank gel that makes with any proportioning with thickening agent, water, lithium carbonate.Main purpose is to make gel adhere to tooth to help tooth and fully contact with gel.
5. gel tooth whitening efficient according to claim 1 can be regulated by the volume of adjustment gel and the interaction time of plasma and gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013102893533A CN103340756A (en) | 2013-07-10 | 2013-07-10 | Preparation method of tooth whitening gel based on barometric low-temperature plasma |
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| CN2013102893533A CN103340756A (en) | 2013-07-10 | 2013-07-10 | Preparation method of tooth whitening gel based on barometric low-temperature plasma |
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| CN103340756A true CN103340756A (en) | 2013-10-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106420373A (en) * | 2015-08-06 | 2017-02-22 | 北京大学 | Gel for tooth whitening and preparation method thereof |
| CN107320094A (en) * | 2016-04-28 | 2017-11-07 | 北京大学 | It is a kind of for gel of skin treatment and preparation method thereof |
| CN110354005A (en) * | 2018-04-09 | 2019-10-22 | 北京大学 | Free radical whitening gelatin and preparation method thereof |
| CN111434707A (en) * | 2019-01-11 | 2020-07-21 | 北京大学 | Antibacterial hydrogel |
| CN112741704A (en) * | 2020-12-29 | 2021-05-04 | 江苏容正医药科技有限公司 | Plasma jet device for cleaning and/or whitening teeth |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316822A (en) * | 2008-12-23 | 2012-01-11 | 英国氧气集团有限公司 | Dental prosthetics brightens |
-
2013
- 2013-07-10 CN CN2013102893533A patent/CN103340756A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316822A (en) * | 2008-12-23 | 2012-01-11 | 英国氧气集团有限公司 | Dental prosthetics brightens |
Non-Patent Citations (2)
| Title |
|---|
| JIE PAN ET.AL: "A Novel Method of Tooth Whitening Using Cold Plasma Microjet Driven by Direct Current in Atmospheric-Pressure Air", 《IEEE TRANSACTIONS ON PLASMA SCIENCE》, vol. 38, no. 11, 30 November 2010 (2010-11-30), pages 3143 - 3149, XP011319249 * |
| 熊紫兰 等: "等离子体医学", 《中国科学》, vol. 41, no. 10, 2 August 2011 (2011-08-02) * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106420373A (en) * | 2015-08-06 | 2017-02-22 | 北京大学 | Gel for tooth whitening and preparation method thereof |
| CN106420373B (en) * | 2015-08-06 | 2019-04-09 | 北京大学 | A kind of gel and preparation method thereof for tooth whitening |
| CN107320094A (en) * | 2016-04-28 | 2017-11-07 | 北京大学 | It is a kind of for gel of skin treatment and preparation method thereof |
| CN110354005A (en) * | 2018-04-09 | 2019-10-22 | 北京大学 | Free radical whitening gelatin and preparation method thereof |
| CN110354005B (en) * | 2018-04-09 | 2021-09-28 | 北京大学 | Free radical whitening gel and preparation method thereof |
| CN111434707A (en) * | 2019-01-11 | 2020-07-21 | 北京大学 | Antibacterial hydrogel |
| CN112741704A (en) * | 2020-12-29 | 2021-05-04 | 江苏容正医药科技有限公司 | Plasma jet device for cleaning and/or whitening teeth |
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Application publication date: 20131009 |