The Trotula: A Medieval Compendium of Women’s Medicine, is a twelfth century work on women’s health containing three books. In this work, there are quite a few instructions on how to take care of the teeth. This post discusses two of them. The edition of the book I used is dated 2001 from the University of Pennsylvania Press. Recipe 182 “[182]For black and badly colored teeth, take walnut shells well cleaned of the interior rind, which is green, and we rub the teeth three times a day, and when they have been well rubbed, we wash the mouth with warm wine, and with salt mixed in if desired.” The main…