Hulda Clark said to remove the metal. Your body won't detox along those meridian lines, otherwise. We don't believe in root canals for the simple reason they are a source of microbial infection. New dental material is just as toxic as the old.
You can use a straw when you sip the Ultraphos and apple cider. Barefoot Herbalist has tooth and gum formula, or you can rinse your Mouth out with baking soda and water.