Hey practo user
It seems ur upper wisdom tooth is buccally erupted Nd ur lower molar is impacted.this is certainly from cheek bite and frictional keratosis is there.so plz don't unnecessary keep on touching that area by tongue.keep control.get ur upper wisdom tooth remove as soon as possible.
Next Steps
take appointment from your dentist as soon as possible.
Health Tips
warm water rinses.
gently massage the affected area outward by dologel.twice daily.