Dental Problems

What Causes Canker Sores?

Canker sores can be developed due to many causes such as damage to the tissues of the gums and/or inside of the cheeks. Some of the causes of Canker sores are discussed below in this article.

Causes of canker sores

There are many causes for the development of canker sore. Some of them are listed below.

  • Bacterial infections:

    The plaque and tartar formation on the gums and teeth can also cause canker sores. Some studies have shown the association of canker sores with the bacteria Helicobacter pylori, which causes peptic ulcers.

  • Emotional stress:

    It has been identified by researches as a possible trigger for the canker sore development.

  • Hormonal disorders:

    The hormonal changes during pregnancy, menstruation and menopause are notably linked to this condition.

  • Heredity:

    Due to heredity, one can develop canker sore.

  • Deficiencies of vitamin B12, iron or folic acid:

    These vitamins and metals can also trigger the development of canker sores.

  • Sodium lauryl sulfate:

    It is the common ingredient available in toothpastes, it also been associated with the canker sore development.

  • Food allergies or sensitivity to some foods such as tomatoes, nuts,chocolate, and acidic foods like pineapple.
  • Drugs:

    Some drugs like ibuprofen ( an anti-inflammatory drug) and atenoid (a beta-blocker) can cause canker sores.

  • Injuries inside the mouth:

    Accidentally biting of lips or inside the cheeks can cause canker sore.

  • Hot foods or drinks:

    The high temperature drinks and foods can burnt the areas inside the mouth and it can lead to canker sore.

  • Spicy or acidic foods:

    These foods cause irritation in the mouth which leads to canker sore.

  • Chewing tobacco products:

    People who chew tobacco products develop canker sores because the of the irritation caused due to the chemicals and additives held in the mouth.

  • Dentures:

    Patients who have dentures can also develop canker sores, due to the poor or partial fitting of dentures in the mouth. Because this damages the tissues of the gums and lips.

  • Broken teeth:

    These are often sharp and can rub on the tissues inside the mouth to produce painful and bleeding canker sores.

  • Broken restorations:

    These can also cause irritation to the oral tissues and can lead to canker sore.

These are some of the common causes of canker sore development.

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