"Herbal Remedies for Reducing Mouth Pain" You can use clove buds, essential oils, oil of arnica and other plant-based medicines as safe and effective remedies for mouth pain, including pain caused by gingivitis and thrush. From MOTHER EARTH NEWS
Other than the Additional Tip: "use the toothpaste with Fluoride" (which I don't believe in. too much controversy about the type of Fluoride being used in tooth products), I find lots of solutions in this post for supporting healing cavities naturally.
The signs and symptoms of cavities vary, depending on the type and the severity of the problem. Some common symptoms include toothache, tooth sensitivity, mild to sharp pain when eating or drinking, visible holes or pits in the infected tooth