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When comparing hydroxyapatite (in nano or micron particles), it consistently performs equally well or better than fluoride. It’s been the go-to option in Japan over fluoride toothpastes for over 40 years over sodium fluoride.

When comparing hydroxyapatite (in nano or micron particles), it consistently performs equally well or better than fluoride. It’s been the go-to option in Japan over fluoride toothpastes for over 40 years over sodium fluoride.

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[–] • 0 pt

Really then why is the west the cradle of civilization?

[–] • 0 pt (edited )

Answer your own question. Why is the west the cradle of civilization?