各种常见的牙齿美白治疗优缺点（Advantages and disadvantages of various common dental whitening treatments）.doc

各种常见的牙齿美白治疗优缺点（Advantages and disadvantages of various common dental whitening treatments） 5 kinds of teeth whitening treatment of transverse comparison Teeth whitening, young men and women, has always been very concerned about the topic of white-collar workplace, brilliant confident smile cannot do without white teeth as beautiful teeth feature, since ancient times is one of the standards of beauty. Therefore, tooth hairdressing has become a fashion in modern society. However, a variety of popular whitening teeth whitening in the way, at the same time, what will bring harm to your teeth? How will bring side effects to healthy teeth, how much do you know? How can we not sacrifice the health of the teeth at the cost, and can make your teeth more beautiful? Here is your one secret. How to whiten teeth? The harm of drugs or drinking water, typically due to maternal or child taking tetracycline caused by tetracycline teeth, dental fluorosis and the formation of long-term drinking water containing high fluoride area of high fluorine water, in childhood and white teeth will turn yellow, become the main endogenous yellow teeth harm; Finally, due to the presence of a variety of bacterial tooth surface, these bacteria always secrete many viscous substances, and people in the daily such as tea, drinking coffee, smoking habits, will leave pigmentation on the teeth, the pigment can easily be adsorbed on the bacteria secrete of viscous material, the surface of teeth turn yellow black. If not timely cleaning, for a long time, these substances will invade the internal teeth on the tooth surface, resulting in the formation of internal stains, internal teeth turn yellow, the harm from exogenous diet, for dental health life threatening. Comparison of advantages and disadvantages of current common tooth whitening method Note that we found that due to a conflict of interest, doctors only patients would like to say the teeth whitening effect, but will not tell patients that the teeth wh