Hello it looks like an aphthous ulcer
Anyone can get an aphthous ulcer; 20% of the population have one or more.
Next Steps
1. Mouthwashes like listerine 2. Avoidance of foods that trigger ulcers like oily and spicy food. 3. Dietary vitamins or minerals, if the diet is deficient. 4. stress reduction
Next Steps
Orasore mouth gel - 3 to 4 times a day
Health Tips
If no improvement in 5 days then show to a doctor