I'm sorry to hear you're experiencing pain from that root canal. I'm sure our community or our experts will be chiming in soon, but in the meantime, here are a couple other discussions from our board from others having root canal troubles. Maybe they will be of help:
Researchers have found that one uncovered toothbrush can harbor more than 100 million bacteria, including E. coli bacteria, which can cause diarrhea, and staphylococci ("Staph") bacteria that cause skin infections.
Do you know what's lurking on your toothbrush? Check out this article for tips on keeping germs and bacteria from living in yours!
How often do you replace your toothbrush? Where do you keep yours stored?View Thread