Hi
it looks like Traumatic ulcer ..
Ulcer is defined as break in the contiuity of oral epithelium..
Apart from TRAUMA,ulcer may also cause due to so many reasons
**Vit
B12 Deficiency
**Stress and anxiety
**Iron deficiency anemia
**Dry mouth
**GERD
**Gastric ulcers
Next Steps
kindly visit dentist for furthur clinical examination and management
Health Tips
Apply DOLOGEL CT ...Have enough sleep and drink plenty of water..avoid stress