Why Does a Tooth Ulcer Form Inside the Lip?
The inside of your lip is delicate, so repeated rubbing can turn into a painful sore pretty quickly. You might notice a round or oval patch that looks white or yellow in the middle with a red edge around it.
Common Clues to Look For
• A sore that keeps getting bumped by one particular tooth, especially while you’re chewing.
• The center looks pale while the surrounding tissue stays red and tender.
• A sharp edge or chipped tooth nearby, which is worth getting checked if the rubbing continues.
• Eating spicy or acidic food suddenly feels like a terrible idea. Honestly, skip it for now.
What You Can Do at Home
Start by leaving the sore alone as much as possible. Don’t keep touching it with your tongue or biting the area to see if it’s still there. That habit feels harmless, but it keeps the tissue irritated.
Rinsing gently with warm salt water can soothe the area. Keep brushing your teeth, though. Being gentle around the sore is sensible, but stopping oral hygiene altogether isn’t.
When Should You Get It Checked?
Most minor mouth ulcers heal on their own within a couple of weeks. But a sore that lasts longer than that deserves attention, especially if it keeps coming back in the same place.
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The insights shared in our articles are meant to educate and inform, not to replace a face-to-face consultation. Every smile is unique, and a proper diagnosis can only be made by a qualified clinical professional. Please book an appointment with our team or consult your local dentist for advice tailored to your specific oral health needs.
