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A comment on Medieval DNA suggests Columbus didn’t trigger syphilis epidemic in Europe. Parent comment

Re:Medieval DNA suggests Columbus didn’t trigger syphilis ep... by knolax on Tuesday August 25, 2020 @06:46PM (#24277165)
> Its possibly also why mercury is still used in dental fillings white porcelain as well as the more commonly known amalgam fillings.

Could you explain how?

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Re:Medieval DNA suggests Columbus didn’t trigger syphilis ep... by autisticcurio on Wednesday August 26, 2020 @05:57AM (#24280922)
Small amounts of mercury vapour gets released when abrasion takes place on the filling surface and teeth will absorb some into the pulp. https://s3.amazonaws.com/ksr/assets/000/090/671/2065a5b089e6...
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