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Why do people get canker sores and how can you get rid and prevent them?

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They are usually caused by teeth or tooth apparel(braces,retainers,headgear) rubbing and causing a wound,or foods high in citric acid opening or reopening a sore.Try to avoid certain foods high in citric acid and if at all possible avoid or cover sharp edges on braces and dental appliances or teeth.

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its sugar that's burned you, brush teeth after anything with sugar to prevent

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I get them when I eat a lot of acid. I try to avoid a ton of acid, like an orange every other day instead of daily or two a day. I also try to avoid preservatives, like in SweetTarts.

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When u eat sugar, lack of sleep or stress are common ways of getting them. If u just sleep more and brush ur teeth all the time it will go away within a couple days. Another way to get rid of them is to pit oragel on them

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It can be a virus. Gargle with peroxide then spit out.

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