Tenderness at the chin most likely unrelated to wisdom tooth. In rare cases you may have altered sensation if your wisdom tooth root was positioned close to the nerve. But this usually happens within few days to weeks after tooth removal. It will not present after 03 months
Next Steps
visit a dentist for examination , to rule out causes! Good luck
Health Tips
don't put any pressure on the tender area with hand/ don't rest your chin against any hard surface.