39
电动牙刷真的会伤害牙龈么？ - 知乎
source link: https://www.zhihu.com/question/322652981/answer/763299789
Go to the source link to view the article. You can view the picture content, updated content and better typesetting reading experience. If the link is broken, please click the button below to view the snapshot at that time.
我发现很多人严重缺乏逻辑能力。。。1、每天用牙刷，并不能证明牙龈出问题就是牙刷引起的。喝水还能呛死…
Recommend
About Joyk
Aggregate valuable and interesting links.
Joyk means Joy of geeK