강아림
There are stories that dental floss is good, and I actually have family members who use it.. I'm thinking of trying it myself~ But after borrowing my family's floss and using it a few times.. I wonder if I don't know the proper way to use it, because I always bleed.. Is my gums weak?ㅠㅠ I often see blood.. Still, I wonder if I should keep using dental floss.. What do you think? Do most people experience some bleeding?
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