은하수
I used to only brush my teeth, but since the dentist told me to use dental floss, I make sure to do it after brushing. Using dental floss after brushing definitely makes my mouth feel cleaner and fresher, which I really like. Also, I think I get fewer cavities, so that's great. I am currently using Oral-B dental floss purchased at the pharmacy; it has a good thickness and a comfortable feel.
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