Signs and Symptoms
Canker sore on gums usually appears with a white or yellow center, and a red, inflamed border. Other signs and symptoms you should look out for include:
- Tingling or burning sensation inside the mouth
- Small round or oval shallow sores
- Pain when you chew or speak
A typical canker sore measures to about a few millimeters. But if the spots are larger—about one to three centimeters—they are major canker sores. These take more time healing and can leave scarring.
Herpetiform canker sores are pinhead-sized sores that appear in clusters. Sometimes, the small spots merge together to form one large ulcer.
Causes and Risks
Up to this day, no one knows the exact cause of canker sore on gums. Some believe it to be hereditary and can run within families. Experts, however, think that these sores can be influenced by triggers and those with certain diseases are more likely to get them.
Some possible cancer sore triggers include:
- Stress or injury
- Weakened immune system
- Hormonal changes
- Vitamin or mineral deficiency
- Food allergy
- Trauma to the gums (during brushing teeth, eating hard food)
Some experts also believe that canker sore on gums can be obtained because of certain conditions and diseases like: