A tooth that hurts when you bite down is one of the more common problems we see at our office in Everett. It’s also easy to put off, because the pain comes and goes. But biting pain usually has a real cause behind it, most often a crack, a filling that sits too high, or an irritated nerve.
So here’s how to read it, what you can do right now, and when to call us.
Why Does My Tooth Hurt When I Bite Down?
When you bite, you put real force on the tooth. If something inside it is compromised, that force is what you feel. Three causes come up most often:
- A cracked tooth that flexes under the pressure
- A filling or crown that sits a little high, so it takes the hit first
- An inflamed or infected nerve that’s tender to pressure
A crack is the classic one, and it’s worth catching early because a cracked tooth tends to spread rather than heal. Which one you’re dealing with is hard to tell from the outside, and that’s where the next clue helps.
What Does Pain When I Let Go of a Bite Mean?
One clue stands out. If the pain hits when you release the bite rather than when you clench down, that points strongly to a crack.
Dentists call this cracked tooth syndrome, and it’s the reason a tooth can ache for weeks with nothing obvious on the surface. The crack opens under pressure and snaps shut when you let go, which is the moment you feel it. It’s worth having looked at early, since a crack only gets bigger.
Why Does One Tooth Hurt When I Tap or Touch It?
When a single tooth is sore to a tap or even a light touch, that’s a different signal. It often means the tissue around the root tip is inflamed or infected, not just a surface problem.
That kind of tenderness usually needs prompt attention, because an infection at the root doesn’t clear up on its own. If it comes with swelling or a bad taste, treat it as urgent.
What Can I Do About It Right Now?
There’s no real fix for this one at home, but you can stay comfortable until we see you.
- Chew on the other side and skip hard or crunchy foods
- Take an over-the-counter pain reliever as directed on the label
- Use a cold compress on the outside of your cheek if it’s sore
These keep you comfortable. They don’t fix what’s causing the pain, so don’t wait it out for long. If your face swells, you run a fever, or the pain turns severe and constant, treat it as urgent and call right away.
How Is a Tooth That Hurts When Biting Treated?
The fix depends on the cause, which is why the first step is always an exam and usually an X-ray. From there, the treatment is usually straightforward.
A high filling is the quick one. We adjust the bite in a few minutes and the pain is gone. A cracked tooth often needs a crown to hold it together and stop the flexing. And if the nerve inside is inflamed or infected, a root canal settles it and saves the tooth.
For pain that’s severe, spreading, or comes with swelling, our emergency dentist in Everett can see you sooner rather than later.
Frequently Asked Questions
Can a cracked tooth heal on its own?
No. Enamel doesn’t grow back, so a crack won’t mend. The goal is to protect the tooth before the crack spreads deeper, which is why catching it early matters.
Is it an emergency if my tooth only hurts when I chew?
Not always, but it’s worth a prompt visit. Mild, occasional pain can wait a few days. Sharp pain, swelling, or pain that’s getting worse should be seen right away.
Why does my tooth hurt when I bite but looks fine?
Cracks and high fillings often don’t show on the surface, and an early cracked tooth can look completely normal. That’s why an exam and an X-ray do the real work of finding it.
Can a filling be too high, and can you fix it?
Yes. A new filling that sits even slightly high takes the force first and aches when you bite. It’s a quick fix: we adjust the bite in a few minutes.
Will I need a root canal or a crown?
It depends on the cause. A cracked tooth is usually protected with a crown, while an inflamed or infected nerve needs a root canal. Often the two go together, and we’ll walk you through what we find.
The Bottom Line
A tooth that hurts when you bite down almost always has a fixable cause, usually a crack, a filling that sits too high, or an irritated nerve. The pattern helps read it: pain when you let go points to a crack, and soreness to a tap points to the root. None of it improves on its own, so an exam and an X-ray are the fastest way to know what’s going on and staying on a regular schedule is part of good preventive care.
Whether the pain is a mild nuisance or it’s getting hard to ignore, you can book a visit and let our team take a look. Call (425) 743-3911, Monday through Tuesday, 9 am to 6 pm, and Wednesday through Friday, 8 am to 5 pm.