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Long-acting antibacterial material and preparation method thereof, long-acting antibacterial dental diaphragm and long-acting antibacterial invisible appliance

A technology of invisible appliances and antibacterial materials, applied in dentistry, orthodontics, medical science and other directions, can solve the problem that periodontal disease has no effective prevention and treatment methods, no antibacterial prevention and treatment of periodontal disease, and biosafety is difficult to control and predict. and other problems, to achieve stable and long-lasting antibacterial effect, stable and long-lasting antibacterial effect, and good biosafety.

Active Publication Date: 2020-08-04
SHENZHEN TOOLINK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, wearing invisible aligners will inevitably change the oral environment, which will inevitably lead to dental caries, periodontal disease, pulp disease and other oral diseases
At present, the existing invisible aligners on the market do not have the effect of antibacterial and periodontal disease prevention, and there is no effective prevention and treatment method for periodontal disease caused during the invisible orthodontic process
In addition, the current mainstream dental antibacterial materials are all blending antibacterial agents with matrix materials to achieve antibacterial efficacy by releasing antibacterial agents clinically, but the participation of antibacterial in metabolism makes the biological safety of the material difficult to control and predict, and this antibacterial Mechanism does not exist for stable and long-lasting antibacterial properties

Method used

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  • Long-acting antibacterial material and preparation method thereof, long-acting antibacterial dental diaphragm and long-acting antibacterial invisible appliance
  • Long-acting antibacterial material and preparation method thereof, long-acting antibacterial dental diaphragm and long-acting antibacterial invisible appliance
  • Long-acting antibacterial material and preparation method thereof, long-acting antibacterial dental diaphragm and long-acting antibacterial invisible appliance

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preparation example Construction

[0026] The present invention also provides a preparation method of the above-mentioned long-acting antibacterial material, comprising the following steps:

[0027] a) substrate and alkylene oxide are subjected to tertiary ammonium reaction in a solvent to obtain tertiary ammonium material; the surface of the substrate is polyurethane;

[0028] b) The tertiary ammonium material is subjected to a quaternization reaction with a halogenated alkane in a tertiary alcohol to obtain a long-acting antibacterial material.

[0029] In the preparation method provided by the invention, firstly, the base material and the alkylene oxide are mixed and reacted in a solvent. Wherein, the surface of the base material is polyurethane (TPU), and the base material can be a pure TPU material, or a composite material whose surface is TPU; the alkylene oxide preferably includes propylene oxide, butylene oxide and One or more of pentylene oxides; the molar ratio of the imino group in the polyurethane ...

Embodiment 1

[0044] 1) Preparation of long-acting antibacterial dental film:

[0045] 1.1) Dental TPU diaphragm pretreatment (cleaning the surface): Cut the dental diaphragm (manufacturer: Bay Materials LLC, USA, model: Zendura A 37mm MM) to a size of 5×5cm, soak it in deionized water for three hours, and Remove the impurities on its surface, then wash it three times with deionized water, dry it in a vacuum oven at 50°C to constant weight, and put it in a desiccator for use.

[0046] 1.2) Tertiary ammonization: Soak the dental film in 500 mL of deionized water, sonicate for 10 min, and place it in an ice bath. Then, according to the molar ratio of propylene oxide to imino group of the dental film of 1:1, propylene oxide was slowly added dropwise, the reaction temperature was kept at 3°C, and the reaction was carried out with constant temperature magnetic stirring for 12 hours. After ultrasonic cleaning with ethanol and water, a tertiary ammonium dental TPU membrane was obtained.

[0047]...

Embodiment 2

[0054] Preparation of long-acting antibacterial clear aligners:

[0055] 1) Pretreatment of TPU invisible aligners (clean the surface): Soak the invisible aligners (smilalign type invisible aligners produced by Shenzhen Yaling Technology Co., Ltd.) in deionized water for three hours to remove impurities on the surface, and then use Wash with deionized water three times, dry in a vacuum oven at 50°C until constant weight, and place in a desiccator for use.

[0056] 2) Tertiary ammonification: Soak the invisible aligner in 500mL of deionized water, sonicate for 10min evenly, and place it in an ice bath. Then, according to the molar ratio of propylene oxide to the imino group of the invisible aligner at 1:1, propylene oxide was slowly added dropwise, the reaction temperature was kept at 3°C, and the reaction was performed under constant temperature magnetic stirring for 12 hours. After ultrasonic cleaning with ethanol and water, a tertiary ammonium invisible aligner was obtained...

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Abstract

The invention belongs to the field of modified materials, and particularly relates to a long-acting antibacterial material and a preparation method thereof, a long-acting antibacterial dental diaphragm and a long-acting antibacterial invisible appliance. The long-acting antibacterial material provided by the invention is prepared by carrying out tertiary amination and in-situ quaternization on a base material of which the surface is polyurethane. According to the invention, tertiary amination and in-situ quaternization treatment are carried out on polyurethane (TPU) on the surface of a base material, so that quaternary ammonium salt antibacterial groups are grafted into a molecular structure on the surface of the base material, and the material has a stable and lasting antibacterial effect. The dental diaphragm and the invisible appliance provided by the invention are both made of the long-acting antibacterial material, so that the dental diaphragm and the invisible appliance have goodbiological safety and stable and lasting antibacterial effect, and can effectively prevent and treat oral diseases such as dental caries, periodontal diseases and dental pulp diseases.

Description

technical field [0001] The invention belongs to the field of modified materials, and in particular relates to a long-acting antibacterial material and a preparation method thereof, a long-acting antibacterial dental membrane and a long-acting antibacterial invisible appliance. Background technique [0002] Traditional brackets have poor aesthetics, are easy to scratch the mouth, cause gum bleeding, wear discomfort, oral hygiene is not suitable for maintenance, and even cause a series of problems such as gum inflammation, tooth demineralization and discoloration. Invisible aligners without brackets have star improvements for the above problems. Invisible aligners have greatly improved the aesthetics of wearing and are more comfortable and convenient to wear. Combined with digital 3D technology, the orthodontic effect is intuitive and predictable. At the same time, with the socioeconomic structure With the changes, the invisible aligners without brackets have gradually penetra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/12A61C7/00A61C7/08C08L75/04
CPCC08J7/12A61C7/00A61C7/08C08J2375/04
Inventor 胡霏郭海山李冠宾黎恒汪鹏虎
Owner SHENZHEN TOOLINK TECH CO LTD
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