infected tooth

Tooth pain can be confusing. One day it’s mild sensitivity, and the next it feels swollen, throbbing, or impossible to ignore. Many patients ask the same question: Is this just an infection, or do I need a root canal? Understanding the difference between an infected tooth, a tooth abscess, and a root canal infection can help you act quickly—and potentially save your tooth. At Eastern Idaho Endodontics, we see patients every week who waited longer than they should have, simply because they weren’t sure what their symptoms meant. This guide explains what to watch for and when treatment becomes urgent.