Neem is the toothbrush tree. Cloves have eugenol, eugenol is/was used externally by dentists for its antiseptic and pain relieving ability. Drip a little fresh Noni/Kura juice on a toothache. Myrrh is used for gingivitis. Use chewing gum with Mastic Tree resin, it's supposed to freshen the breath and tighten the gums.