you are right teeth are a big issue to your health.
I have a infection deep under the root in one of my teeth and I am doing a special emergency treatment to try and avoid a root canal. Miracle-Mineral-Supplement + MSM (can't get ahold of DMSO in my country). It seems to be working. I had a swelling at the front of the trouble tooth last week and then some puss erupted from it along with some blood so I'm thinking the infection is healing. I will of course goto a dentist soon to confirm this. Would rather avoid Antibiotics if I can.