A root canal is a good way to save a sick tooth. It takes away pain. It cleans out germs. Most of the time, the tooth gets better. It feels fine. But sometimes, a problem can still happen. A gum abscess is one such problem. This is a small pocket of pus. It can show up near the tooth. It can be a little scary to see. Some people worry about a root canal. They may ask, does a root canal hurt?...