How to whiten black teeth effectively A white tooth can greatly increase our self-confidence, but how can a black tooth be effectively whitened?
This is quite a headache. How to whiten black teeth effectively? There are two main reasons for black and yellow teeth, endogenous and exogenous.
Endogenous include: drug effects, such as tetracycline, dental fluorosis, etc.; genetic or developmental problems, etc. Exogenous sources include: diet, such as drinking tea, smoking, and human factors.
1. Cold light whitening: suitable for mild black and yellow teeth, tetracycline teeth, and fluorosis teeth. Cold light whitening technology uses high-intensity blue light with a wavelength between 480-520 nanometers to quickly generate redox to remove pigments attached to the surface and deep layers of teeth, thereby achieving a whitening effect.
The operation process does not touch the gums, so the damage to the tooth nerve during the operation is completely avoided, and at the same time, it will not cause any damage to the tooth structure. The whole process only takes 30 minutes, and the effect can be increased by 5-14 vita levels in different degrees. The whitening effect and maintenance time also vary from person to person, and it can basically be maintained for about two years.
2. Cosmetic crown: suitable for severe black and yellow teeth, tetracycline teeth, and fluorosis teeth. Taking the method of cosmetic crown can not only change the color of the teeth, but also arrange the teeth in order if the teeth are not neat, so that the teeth become white and smooth, and there is no sequelae. Cosmetic crowns are well received by the majority of beauty-loving patients, and are the primary way of beautifying teeth for many celebrities. Cosmetic crowns are usually completed in seven days. In total, you only need to visit the hospital twice, once for the first visit and once for the follow-up.
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