Smile is very important for a person, so many people who don't have good teeth don't dare to smile. Is there any way to whiten teeth? What's wrong with tooth whitening? What should tooth whitening pay attention to? Let's learn about the common mistakes of tooth whitening.

          Myth 1: drug bleaching has no side effects

          Many people think that tooth bleaching is a low-cost and extremely simple method. They often buy tooth whitening products through pharmacies, supermarkets or the Internet and use them on their own. Tooth whitening products include whitening toothpaste, whitening dental film, bleaching film, etc. However, if there is no doctor's guidance, the whitening effect may not be good, and there is a risk of misuse and overuse. In addition, most of these products contain hydrogen peroxide, sodium perborate and other bleaching agents, which are easy to cause adverse reactions such as tooth sensitivity, gingival irritation, tooth neck and root resorption.

          Myth 2: tooth whitening can be done by everyone

          Many people think that tooth bleaching is a low-cost and extremely simple method. They often buy tooth whitening products through pharmacies, supermarkets or the Internet and use them on their own. Tooth whitening products include whitening toothpaste, whitening dental film, bleaching film, etc. However, if there is no doctor's guidance, the whitening effect may not be good, and there is a risk of misuse and overuse. In addition, most of these products contain hydrogen peroxide, sodium perborate and other bleaching agents, which are easy to cause adverse reactions such as tooth sensitivity, gingival irritation, tooth neck and root resorption.