Comment on Ask HN: Best gift for (HN-type) 10 year oldparentComments−nextos3yYes, they are pretty popular in the US but somehow less popular overseas.I think they are great to prevent bacterial growth below the gumline.IMHO very underrated.
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Yes, they are pretty popular in the US but somehow less popular overseas.
I think they are great to prevent bacterial growth below the gumline.
IMHO very underrated.