What Causes Mouth Sores?

Burning The Mouth

An individual may develop a mouth sore after burning their mouth. An individual may burn the tissues on the inside of their mouth when they consume a hot beverage or food. When food or fluid that is too hot touches the tissues of the inside of the mouth, it scorches and burns the top layer of tissue, producing pain. The top layer of the membranes in the mouth may immediately slough off or slough off later. In both situations, the burn leaves raw tissue behind. The raw tissue comes in contact with many substances in the food and drinks the individual consumes and any bacteria or acidic substances that get into the mouth. When bacteria, food particles, or liquid particles come in contact with the burn, the area can become inflamed and irritated. This irritation induces a response by the immune system, causing redness and swelling. The burn area then develops into an ulcer in the individual's mouth that can be painful and may take several days to several weeks to fully heal.

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