What is the basic principle of teeth whitening?

To understand the principle of teeth whitening, it is necessary to clarify what factors affect the whiteness of our teeth. The first thing we need to clarify is that some of the celebrities we see in movies and TV shows who have unbelievably white teeth, most of their teeth are actually whitened after a long time, the normal, natural color of human teeth is actually slightly yellow, which is actually our original state, so if your teeth are also a little yellow, there is no need to be too upset about it, it is a symbol of health.

If the teeth are obviously yellow or even black, then the cause needs to be clarified. There are two types of staining: endogenous and exogenous. Endogenous staining, as the name implies, is formed independently during the development of our teeth, for example, some tetracycline is deposited in the essence of the teeth for a long time, which makes the teeth turn yellow or even darker brown. Clinically, we generally refer to it as "tetracycline teeth", not only that, in some areas, the drinking water is not up to the standard of hygiene, the water contains too much fluoride may also lead to dental fluorosis, these are endogenous causes of staining.

Exogenous staining is mostly caused by our daily habits. For example, some people are used to drinking tea and coffee, if patients with such habits, coupled with daily dental cleaning is not complete, it will make some pigmentation on the surface of the teeth, not only that, long-term smoking people are also more likely to make the teeth yellow or even black.

Based on these two pigmentation methods, the teeth whitening programs on the market mainly start from cleaning up the pigmentation, including cold light whitening and veneer whitening. These two are the mainstream teeth whitening methods in Shenzhen Dental Hospital, and they are also our ace items. The other whitening method, veneer whitening, is to put a layer of veneer on the surface of the teeth to cover the discolored teeth, which can be said to combine the advantages of porcelain teeth and resin veneer, very It can be used not only for teeth whitening, but also for treatment of tooth defects, and if properly maintained, it can last for years or even decades.
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