U ve a missing tooth in the lower right side of the teeth.u need to replace it first by any dentist.
Topical application of oral gels ll gives u relief.
Avoid spicy food for some days.
Avoid habits like smoking, alcohol...etc
Use B complex tablets regularly daily once.
Next Steps
Eventhough u didn't observe any change , visit near by dentist for biopsy for further evaluation n treatment.
Health Tips
maintain good oral hygiene.