question: I had a root canal treatment about 3 weeks ago after a discovered that pus was coming out right in front of my front tooth. Im surprised that the pus is still coming out. i went back to the dentist who examined my tooth and the gum.  she explained that pus will stop, and that my gum is fine. Im worried because its the front tooth that is affected and my mouth smells of bad odour with bad taste. I have just bought listerine for mouth wash in addition to the mouth brush. what is the way out?