No one knows exactly what causes them. But they can run in families. That means if your parents or siblings get canker sores, the genes you share with them make it more likely that you'll develop the sores too. There may be a connection between canker sores and stress. If you get canker sores around exam time or some other big event in your life, it may be a sign of how much stress you're under. Mouth injuries like biting the inside of the lip or even brushing too hard and damaging the delicate lining inside the mouth also seem to bring on canker sores.
Sodium lauryl sulfate SLS , an ingredient in many toothpastes and mouthwashes, has been linked to canker sores, and sometimes the sores can be a sign of an immune system problem. Finally, not getting the right nutrition such as not getting enough iron or vitamin B12 also might contribute to some cases of canker sores.
Canker sores are fairly common, but that doesn't mean they should be ignored. If you have sores that last longer than 2 weeks or you can't eat or drink because of the pain, call your doctor. Also call if you get the sores more than two or three times a year. Usually, no tests are needed to diagnose canker sores. Your doctor can identify them based on your medical history and physical exam alone. Anyone can develop canker sores. But they occur more often in teens and young adults, and they're more common in females.
Often people with recurrent canker sores have a family history of the disorder. This may be due to heredity or to a shared factor in the environment, such as certain foods or allergens. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version.
This content does not have an Arabic version. Overview Canker sore Open pop-up dialog box Close. Canker sore Canker sores occur singly or in clusters on the inside surfaces of your cheeks or lips, on or under your tongue, at the base of your gums, or on your soft palate. Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references Canker sores. Hormonal shifts during menstrual cycle A diet lacking in vitamin B, zinc, folic acid, or iron Genetics Sensitivity to chocolate, coffee, strawberries, eggs, nuts, cheese, or spicy or acidic foods Toothpaste containing sodium lauryl sulfate.
Do I have a canker sore or cold sore? What can I do about canker sores? Avoid canker sores with these tips: Brush and floss after meals to keep your mouth clean and free of excess foods. Use a soft toothbrush to prevent irritation to your mouth and gums. Use orthodontic waxes to cover up any sharp edges on braces or other dental devices. Practice stress-reduction techniques, such as meditation. Keep a food diary. You may find connections between when canker sores appear and what you eat.
So, please be careful, and again speak with your Dental Professional about any products you may be will to try. Although it can not be said that oranges, pinapples, or lemons, cause a canker sore, they can delay the recovery of one.
However, poor immune systems cannot prevent canker sores and can delay in the recovery of canker sores. The only direct correlation was that those with weak immune systems may have a longer recovery period, dispite all possible preventative action taken.
We hope you find this informative and this may answer some of you questions as to why do I get canker sores and seemingly no one else does. Again if you have any questions please ask any one of the Southend Dental Team.
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