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每次刷牙都会出血，但是血量不大，这什么情况，是我刷牙太用力吗？
source link: https://www.v2ex.com/t/512374
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生活 - @adminxc - - #### 出血量不大，可以把牙膏沫染成粉色。是不是大家都有这种情况。
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