June 3 2022 by Mills Haven Dental
A canker sore, known medically as an aphthous ulcer, is a shallow lesion in your mouth. Usually, they look like a yellow or white abscess, surrounded by a red border.
Most of the time, a canker sore isn’t the biggest deal. They might make you feel minor discomfort and clear up on their own in a few days, but every now and then… a canker sore just doesn’t want to go away.
Keep reading to find out what to do when you have a pesky and painful canker sore.
If your canker sore won’t clear up on its own, try reducing or eliminating anything that might make it worse. Here are a few pieces of advice:
If leaving your canker sore alone doesn’t seem to be working, you can try some at-home remedies to clear it up.
Many people find success by using a saltwater rinse for several seconds, multiple times a day. Regular old table salt will do the trick; just dissolve ½ a teaspoon of salt in a cup of distilled water.
You can also use everyday painkillers to take away some discomfort; we find ibuprofen to be helpful.
If two weeks have gone by and you haven’t seen an improvement in your canker sore (or it’s worsened), it’s time to see a medical professional.
Let your doctor know that your canker sore has been giving you a hard time. Your doctor may be able to help you determine what’s causing your canker sore. They’re often caused by hormonal changes or stress.
After a quick physical exam, they may prescribe you some help, including:
Your dentist will also be able to help you find out if there is something in your mouth causing the canker sore. If anything has changed with your smile, like a tooth shift or crack, it could agitate the sensitive skin in your mouth and cause a canker sore.