Hello
There could be two possibilities.
As you got your upper wisdom tooth but you don't have lower wisdom tooth, due to this whenever you chew your cheek gets crushed and creates injury in cheek area.
Because of which you may be feeling referred pain in lower tooth area.
Or, Second possibility can be Erupting lower wisdom tooth.
Next Steps
You should visit a Dentist to rule out the possibilities.
You can visit my profile for further queries.
Health Tips
If cheek injury is creating trouble you can apply
Topical Gel to reduce the pain while eating.