On: Our relationship with teeth is uneven, messy and grim

[Steve44]

As far as I'm aware not in any dose you're ever likely to ingest. What are your sources?

[krageon → Steve44]

Sadly this is from a paper I read when I was somewhere between 8 and 13 so it is entirely possible I formed the wrong conclusions at the time.

Edit: Needless to say, I don't remember the title. Perhaps I should re-investigate it.