Thanks for asking the query,
can be because of several reasons ,occasional facial numbness is usually not a concern , if other symptoms of swelling or pain persists you have to visit a dentists.
Numbness can also be because of grinding of your teeth , which is causing trauma to the cheek . Visit your dentist and get complete examination done . During this examination the dentist will check tenderness of jaw muscles and the jaw joint and look for any missing tooth , broken tooth or poor tooth allignment.
There are several other causes of facial numbness which include Stroke
, Bell's palsy ,
Ear infection , trauma to head and face . You can visit a GP & an ENT specialist
to rule out the other causes .
if any .
Get complete clinical evaluation of the swelling done as numbness can also be because of the swelling which can be creating pressure on the nerve
Get a panoromic x-ray done .
Eat soft diet .
Maintain a good oral hygiene
. Use 0.2% of chlorhexidine
mouthwash solution gargles two times a day .