Canker sores are small ulcers that appear inside the cheeks, lips and on the tongue. More rarely, they can be found on the palate or on the gums. Canker sores are not contagious and they are benign. They usually heal within two weeks.
Use local anesthetics if the pain is severe;
Take a corticosteroid-based medication in case of multiple and very painful mouth ulcers;
It is important to consult your dentist or doctor if mouth ulcers occur frequently and without apparent reason, or if they last more than two weeks. It could be a symptom of an underlying disease or a virus.
Brushing too vigorously;
Problems adapting a dental prosthesis;
A lesion caused by the chewing of a hard or acidic food;
An accidental bite during chewing;
A burn after consuming a hot beverage or food;
Ulceration caused by the needle during dental anesthesia
Injuries related to the wearing of orthodontic appliances or a misplaced tooth;
Stress and fatigue;
Poor oral hygiene;
Certain diseases (Crohn’s disease, Behçet’s disease);
Taking certain medications (anti-inflammatory, antisteroidal, beta-blockers, antidepressants);
Radiation or chemotherapy.
Conseils de prévention
Gently brush your teeth with a soft-bristled brush at least twice a day;
Flossing every day;
Use toothpaste for sensitive gums;
Make sure that your braces or prosthesis are comfortable and that no friction is present.
present to irritate and produce a painful mouth ulcer;
Eat slowly to avoid biting yourself by chewing food;
Avoid acid or spicy foods;
Take mouthwash twice a day;
Rinse your mouth with salt water, a natural antiseptic.