text: dclove oil is best  put on cotton ball and into cavity--\n\nI do know though once I used it a lot and I started getting te awfullest, metallic taste in my mouth..It eventually went away when I stop but many I used it too long??\nSchool of natural healing lists the following herbs for toothache:\nbayberry, black walnut, carrot, cayenne, comfrey, echinacea, golenseal, mullein, poke, sage, and senna..  Prickley ash's nickname are toothache bark and toothache bush for it most have a history..buy clove oil at the drugstore.