如果是幼兒時期吃四環素導致的四環素牙，則色素已經融合在牙本質裏，外除法難以奏效。咖啡牙紅茶牙可以用激光或

來源: 禦用文人於 2015-04-02 20:04:42 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.