Ye Olde Receipt: How to remove a tooth:

Take some newts, by some called lizards, and those nasty beetles which are found in fens during the summer time, calcine them in an iron pot and make a powder thereof.

'Wet the forefinger of the right hand, insert it in the powder, and apply it to the tooth frequently, refraining from spitting it off, when the tooth will fall away without pain. It is proven.

"It is proven." The 12th century version of evidence based medicine.