Mouth sores can cause a great deal of discomfort, but they generally go away on their own in a week or two. However, while you do have these sores, it is best to avoid doing anything that can add to the pain. Avoid eating food items that can poke the sores, such as crisps or other hard food items. You will also have to avoid eating spicy food, which can irritate the sores and add to your suffering. Learning more about the causes of mouth sores may help you prevent an outbreak of this dental problem in the future.
One of the most common causes of mouth sores is injury. When the sensitive inner mouth tissue is cut open, bruised, or inflamed, a mouth sore may develop soon afterwards. Injuries to the inner mouth, tongue, and gums usually come from: brushing the teeth too vigorously; accidentally biting on the inner mouth or tongue; or from dental appliances such as braces or loose dentures.
Hormonal changes can also lead to the development of mouth sores. Pregnant women, or those who have their monthly period at the time, may be prone to having painful mouth sores. Nutritional deficiencies can also result to the development of these sores. People with deficiencies in vitamin B-12, iron, zinc, or folic acid may be more prone to having frequent bouts of mouth sores.