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How to whiten teeth? Why do teeth turn yellow

Today's society can be said to be an era of looking at the face. Why rely on talent when you can eat by the face? It is precisely because we live in this era of beauty, so in addition to the beauty of our facial features, teeth for us are no longer only chewing and language functions, but also play a considerable role in external appearance. If a person has a neat and white tooth, it will greatly improve the overall beauty of this person. Stars basically make ceramic teeth. And if we want to make our teeth white, we should know how they turn yellow. Let's get to know.

Why do teeth turn yellow?

1. There are many kinds of bacteria on the surface of teeth. Most of the reasons why a person's teeth become so yellow may be because he doesn't pay attention to personal oral hygiene. If he doesn't brush his teeth often, there may be a lot of bacteria attached to his teeth. Too much bacteria will lead to the formation of plaque, which will cause the teeth to turn yellow.

2. Tetracyclines. If a person has to take tetracycline drugs due to various diseases, he may have tetracycline teeth, which are usually brown yellow and not so beautiful.

3. Tap water contains too much fluorine. Although the use of fluoride toothpaste can help us prevent the occurrence of dental caries, if the drinking water contains too much fluoride, it may lead to the occurrence of dental fluorosis. Dental fluorosis is the teeth with black and yellow spots, which is not very beautiful.

What are the methods of medical whitening teeth?

1. Cold light whitening. The new whitening technology can remove the pigment deposition on the surface of teeth, and achieve the generation of teeth, so as to achieve the decolorization effect of the health care surface. It has a good whitening effect on the dental fluorosis, tetracycline, caries and so on.

2. Laser whitening teeth. Laser whitening is mainly through a high concentration of bleaching agent with appropriate laser dose, selectively acting on the pigment particles deposited on the teeth, so as to play a role in bleaching these particles on the teeth.

3. Whitening toothpaste. Meibi toothpaste is specially sold in drugstores. It is a professional whitening toothpaste. Generally, it can improve the whitening of teeth caused by drinking dark drinks for a long time. It can also provide a professional and effective maintenance method for later whitening. However, due to the long time spent and the short duration, it is not very suitable for those who want to be eager for success.

Although born in this age of beauty, it is very important to have a white tooth, but we should pay attention to the function of teeth. After all, beauty is external, and health is our permanent pursuit. In life, we should keep oral health, so that we can largely avoid the formation of dental plaque, and naturally avoid a series of teeth The tooth is sick.