If a toothache has been nagging at you for more than a day or two, it’s worth paying attention to. Most cavities and minor irritations settle down with a cleaning or a simple filling, but a handful of symptoms point toward something deeper — an infection or inflammation inside the tooth itself, which is what a root canal is designed to treat.
Lingering pain, especially when you bite down
Pain that fades quickly is usually surface-level. Pain that lingers for several seconds after you bite down, or that throbs on its own without any obvious trigger, often means the nerve inside the tooth is irritated or infected.
Sensitivity to hot and cold that sticks around
A quick zing from an ice-cold drink is normal. Sensitivity that lasts well after the hot or cold is gone is a different story, and it’s one of the more common early signs something is wrong beneath the enamel.
Swelling, tenderness, or a small bump on the gum
Swollen or tender gums around one specific tooth — or a small pimple-like bump nearby — can mean an infection has already started to drain. It’s easy to overlook, but it shouldn’t wait.
A tooth that’s darkened in color
A single tooth turning noticeably darker than the ones around it can be a sign that the tissue inside has been damaged, even without much pain at all.
A cracked, chipped, or previously worked-on tooth
Cracks and chips give bacteria a path to the inside of the tooth, and a tooth that’s already had a large filling or a previous procedure is more vulnerable than one that hasn’t.
What a root canal actually is
Inside each tooth is a soft tissue called the pulp, which contains nerves and blood vessels. When that pulp becomes infected or inflamed — from deep decay, cracks, trauma, or repeated dental work — a root canal removes the infection and saves the tooth.
That is worth emphasizing, because the procedure’s reputation is worse than the procedure. It is designed to relieve pain rather than cause it, and modern root canal therapy is comfortable and quick — often no more uncomfortable than having a filling done.
The alternative to treating an infected tooth is usually losing it, and replacing a tooth is a longer road than saving one.
Don’t wait it out
If any of the five signs above sound familiar, get it looked at. Infections inside a tooth do not resolve on their own, and catching one early almost always means simpler, more comfortable treatment than catching it late.
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Cardinal Point Dental welcomes patients from Mandarin, Southside, Orange Park and across Jacksonville.
