Thanks for putting up your question on Just Answer.
Trismus or locked jaw is a common complication following extraction of wisdom teeth
. This happens because of the trauma to the muscles from the injection directly or because of the effects of the local anesthetic solution.
You should get an oral surgeon to have a look at the degree of trismus. Also, the pain that you mention is not normal.
Although I dont suspect a dry socket, the extraction site must be evaluated to see if an infection
Till you can visit an oral surgeon, try some mouth opening exercises at home. We must keep the jaws moving so as to prevent any adhesions from developing.
Try chewing gum and also try this sepcific exercise:
For 10 seconds strectch your mouth open to the maximum position possible. Do this 10 times a day.
Please see an oral surgeon at the earliest.
Hope this answers your question. Feel free to contact me again for more information.
I wish you a speedy recovery !!!
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