Hi mam...
Ulcer is the break or discontiuity of oral epitelium...
Causes of oral ulcer
**stress and anxiety
**Vit
B12 deficiency and folic acid deficiency
**Iron deficiency anemia
**viral infections
**Genetic factor
**Irritation from sharp objects
**Gastric disturbance (GERD)...
Next Steps
kindly consult with dentists clinically to rule out cause and management
Health Tips
Drink plenty of water
Avoid hot nd spicy foods