i have had so much pain in the past the nerve was removed fiew years ago and filled ... but kept hurting from time to time ! a month ago part of it was broken .. but i left it so when i look in the mirror i saw it changed color so i decided to remove it (molar) enaugh with the pain ... but is this normal ?? bcz what hurt is not the wound it's the external gum and ear and head even my nose tingle ! 😖 could anyone help?