拥有一副健康、洁白的牙齿不仅是健康年轻的标志,而且能为你赢得应接不暇的羡慕和赞赏的目光,从而使你潇洒动人、信心百倍。过去,人们认为到了老年牙齿掉光是不可避免的自然规律,但现在,人们则充满希望地期盼着能终生保有与生俱来的牙齿,而这也确实做到了,医学在近几十年取得了一个个重大突破。 Having a healthy, white tooth is not only a sign of healthy youth, but it also gives you the envy and appreciation you can not overwhelm, leaving you with great confidence and confidence. In the past, people think that the fall of old teeth is inevitable natural law, but now, people are looking forward to looking forward to be able to keep their innate teeth for life, and this is indeed done, medicine in recent decades Made a major breakthrough.