Thanks for asking the query,
As you have met with an accident there could be a chance of TMJ fracture
, dislocation, to rule out this you need to visit the Oral Surgeon and get the checkup done, take an OPG radiogarph to confirm the diagnosis.
Other symptoms associated can be pain around ears, tenderness in the jaws, difficulty in mouth opening nad pain on chewing.
For treatment inflammatory medications, heat therapy
, rest and in some cases bite splint
can be given.
Also consult to an ENT Surgeon and get the checkup done.
Hope this helps out.