Hello
Wisdom tooth may be impacted, you need to get a OPGXray done to see the position of the teeth.
For now, keep the area clean.
Do warm salt water rinses 3 times a day.
For pain take tab Ketorol DT SOS(when pain is present).
Next Steps
visit a dentist when possible to get it examined.
Health Tips
if pain increases or there is swelling, consult with a dentist.