as per the information provided by you, the pain and discomfort you are feeling is the result of inflammation due to traumatic wisdom tooth extraction
the pain on opening the mouth is due to injury
to the masticatory muscle while injecting the anesthetic
deep in the muscle to numb the operating site.
these symptoms are gonna stay for 2 to 3 days more .
unless its a dry socket
the symptoms will go in another 1 to 2 days.
take the prescribed pain killer and take rest for medicine to take effect.
if the symptoms persists for another 2 days then see your dentist
wish for your quick recovery. take care