编辑同志:我的婚期将近,我想美白一下牙齿。然而,目前市售的美白牙膏种类繁多,医生告诉我,绝大部分美白牙膏都会对牙齿造成损害。并认为,我的牙齿虽然看起来呈淡黄色,但是很健康,根本不需要美白,只需清洗一下牙结石即可。请问是这样的吗?安徽刘雨珊刘雨珊读者:这位医生的观点是正确的。虽然市场上有很 Editor's Comrade: My wedding is very close, I would like to whiten the teeth. However, there are many kinds of whitening toothpastes available on the market at present. The doctor told me that most whitening toothpaste will cause damage to the teeth. And that, although my teeth look pale yellow, but very healthy, do not need whitening, just to clean the calculus can be. Excuse me? Anhui Liu Yushan Liu Yushan reader: The doctor's point of view is correct. Although there is a market