The Duchess de la Valliere's Mouth Water

Take:

• 2 ounces Cinnamon
• 6 drachms  Cloves, 
• Water Cress
• 1 1/2 ounces fresh Lemon Peel
• 1 ounce Red Rose Leaves
• 1/2 pound Scurvy Grass, 
• 3 pints Spirit of Wine

Bruise the Spices, cut the Water Cress and Scurvy Grass small, and macerate the whole in Spirit of Wine, in a bottle well corked, during twenty-four hours ; then distill to dryness in a vapour-bath, and afterwards rectify the distilled Water by repeating the fame process.

This Water strengthens the gums, prevents the scurvy, and cures asthma, or little ulcerations in the mouth.  It is used to gargle the mouth with, either by itself,  or diluted with water, as occasion may require. 

12th Century Tooth Powder

The teeth are whitened thus. Take burnt white marble and burnt date pits and white natron, a red tile, salt, and pumice. From all of these make a powder in which damp wool has been wrapped in a fine linen cloth. Rub the teeth inside and out.