过氧化氢具有较低的分子量和有对牙髓细胞的细胞毒作用,它容易通过釉质和牙本质引起牙髓损伤.
http://www.greenmedinfo.com/blog/hydrogen-peroxide-mouthwash-harmful-teeth
小苏打是一个温和的磨剂,太频繁,每次刷牙超过2分钟,还是不很安全
http://www.wikihow.com/Whiten-Teeth-With-Baking-Soda
过氧化氢具有较低的分子量和有对牙髓细胞的细胞毒作用,它容易通过釉质和牙本质引起牙髓损伤.
http://www.greenmedinfo.com/blog/hydrogen-peroxide-mouthwash-harmful-teeth
•
我常用三种不同功能厂家不同的牙膏,轮换着用
-随意-
♀
(0 bytes)
()
04/06/2014 postreply
18:35:13
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy