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A comment on Ask HN: What is your experience with Nano-Hydroxyapatite toothpaste?. Parent comment

Re:Ask HN: What is your experience with Nano-Hydroxyapatite ... by speedylight on Sunday October 15, 2023 @07:57AM (#37889012)
I think its the former because enamel is a mineral and not living tissue—This is just my uneducated opinion though.
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