1.if the fracture
is Comminuted Fracture( A comminuted fracture is one in which the bone is splintered into three or more fragments or is crushed) its become difficult to repair .
2.as you got injury in the mandible and it got fractured it is quite possible you have damaged your facual nerve(Normally, the facial nerve
transmits messages between your brain and facial muscles
telling them when and how to move. If your facial nerve becomes damaged, the nerve is unable to facilitate communication between your brain and your facial muscles) as a result you experience a partial facial paralysis
can cause you to lose sensation in a specific region of your face, which initially can lead to tingling
or numbness at the affected site it will gradually go of as your nerve regeneration takes place.
get well soon