Inability to close mouth
Difficulty speaking or swallowing
Malocclusion
Pain localized anterior to the tragus
Prominent-appearing lower jaw
Preauricular depression
Condylar head palpable in the temporal space (in lateral<unk> 
Must examine the external auditory canal
Mandible dislocation
Acute tetanus
Mandible fracture
Akathisia
Pilon fracture
Conversion disorder
Odontoid fracture
Drug toxicity 