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What You Should Know About Canker Sores - Advice from Your Family Dentist in Calgary


Those who suffer from canker sores, or aphthous ulcers, know how discomforting and painful they can be. These small mouth sores are common amongst people aged 10 to 40 years, and are typically located on the cheeks, tongue or inside of the lips. Canker sores can vary in severity, with some people getting them frequently, one after another.

Canker sore

How Canker Sores Are Formed

Doctors have yet to determine the exact reason why people get canker sores; however, it is known that the Streptococcus bacteria are often found in canker sores. Those who have sustained minor injuries from dental injections or overzealous tooth brushing are prone to canker sores, as are people who suffer from allergies. Women may also get them near the time of their menstrual cycle. Canker sores are a common symptom of stress, a lack of cyanocobalamin (vitamin B12), folic acid, or iron. Your diet may also increase your chances of getting the sores.


How to Treat and Prevent Canker Sores

Canker sores can take up to 14 days to heal. There are a number of treatments that can help alleviate the pain of the sores. Rinsing your mouth with salt water is a simple home remedy that can help reduce bacteria growth and promote healing. It’s recommended that you avoid hot and spicy foods to help reduce pain.

  • You can prevent canker sores from forming by ensuring you have a sufficient amount of folic acid or vitamin B12 in your body. 
  • Eliminating any source of irritation in your mouth, like ill-fitting dentures, can help you avoid getting the sores.
  • Try applying Viscous lidocaine*, Carboxymethylcellulose, Benzydamine mouthwash, or silver nitrate on the sore to help provide pain relief. 
  • If you find that you keep getting canker sores quite often, be sure to consult your dentist or doctor for a treatment plan that is specific to your individual case. 
  • Severe cases may require a prescription for a corticosteroid ointment, a mouth rinse, or prednisone tablets.

If you are suffering from mouth pain and suspect that it has progressed beyond a canker sore, it’s important to speak with your family dentist in Calgary. Your dentist will carefully examine the inside of your mouth, tongue and glands and discuss with you the problems you are experiencing and feeling in your mouth.

Contact Go Dental to schedule your dental checkup today with your family dentist in Calgary. Call us at 403-407-2028 or fill out an online contact form and we will get in touch with you as soon as possible.

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