Preparation method of teeth whitening liquid based on atmospheric pressure low-temperature plasma
A low-temperature plasma and plasma technology, applied in dentistry, pharmaceutical formulations, cosmetic preparations, etc., can solve problems such as oral ulcers, complicated operating procedures, and fast teeth
Inactive Publication Date: 2013-10-23
PEKING UNIV
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Problems solved by technology
However, the current tooth whitening method mainly has the following disadvantages: (1) hydrogen peroxide penetrates into the teeth quickly, which easily causes tooth discomfort and sensitivity; ) If the hydrogen peroxide gel is accidentally in contact with soft tissues such as lips, it will cause damage to the soft tissue mucosa and cause oral ulcers
Method used
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Embodiment 1
[0019] (1) The low-temperature plasma generator is fed with working gas at a flow rate of 300 liters / hour, and the working gas is compressed by a compression pump.
[0020] (2) The drive power supply is a DC power supply.
[0021] (3) Take 20ml of distilled water, place the water at a distance of 1cm below the plasma excitation device, turn on the power, and make the plasma interact with the water.
[0022] (4) After interacting with each other for 20 minutes, the water is the teeth whitening solution of the present invention.
[0023] (5) When the teeth are exposed to the above active water for 15 minutes, the ΔE of the teeth can be increased by 3-10.
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The invention provides a preparation method of teeth whitening liquid based on atmospheric pressure low-pressure plasma, aiming at overcoming the shortcoming that an existing clinical method of whitening teeth by gel containing high-concentration hydrogen peroxide has low efficiency and irritates the teeth and soft tissues. The preparation method is characterized in that the preparation method depends on physical equipment, namely the low-temperature plasma, a certain amount of gas is introduced into a low-temperature plasma generation device, and the low-temperature plasma generation device is electrically driven; a certain amount of water is taken, and the device is placed above the liquid surface of the water solution (attached drawing 2) or below the liquid surface of the water solution (attached drawing 1) by a certain distance so as to stimulate the interaction between the plasma and the water; and after the plasma and the water interact for a certain time, the water becomes the teeth whitening liquid based on the atmospheric pressure low-pressure plasma. The teeth whitening liquid prepared by the method is non-toxic, non-irritant and free of peculiar smell and residues and has a very strong teeth whitening effect.
Description
technical field [0001] The invention belongs to a preparation method for a tooth whitening agent, in particular to an active water preparation method based on atmospheric pressure low-temperature plasma. Background technique [0002] With the improvement of people's economic and living standards, more and more people are willing to whiten their teeth to enhance their image. However, the commonly used tooth whitening methods in clinical practice are based on the oxidation of high-concentration hydrogen peroxide, or by means of photocatalysis to accelerate tooth whitening. Hydrogen peroxide teeth whitening process. However, the current tooth whitening method mainly has the following disadvantages: (1) hydrogen peroxide penetrates into the teeth quickly, which easily causes tooth discomfort and sensitivity; ) If the hydrogen peroxide gel is accidentally in contact with soft tissues such as lips, it will cause damage to the soft tissue mucosa and cause oral ulcers. Therefore, ...
Claims
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Login to View More IPC IPC(8): C02F1/72C02F1/30C02F1/46A61K8/19A61Q11/00
Inventor 王国敏张茜潘洁张珏方竞
Owner PEKING UNIV