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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Weak Facial Muscles Post Wisdom Tooth Extraction?

I had a wisdom tooth extracted nearly 3 weeks ago. unfortunately some of the block went into my jaw muscle and I now have trismus. More alarming though is that my facial muscles feel very much weekened and smiling is an effort. Also I have had twitching above my lip and up cheek and under eye. I am very concerned as I am a music teacher. please help
Tue, 16 Dec 2014
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Dentist, Oral and Maxillofacial Surgery,  's  Response
Thanks for your query, I have gone through your query.
The twitching over the facial muscles and trismus can be because of the nerve injury to facial nerve while injecting the local anesthesia. The trismus is because of the injury to the muscles of mastication while injecting the local anesthesia. Nothing to worry, the twitching will come down gradually over a week. You can take nerve regenerating drugs like vitamin B6 and B12. For the trismus, you can take a muscle relaxant like chlorzoxazone.
I hope my answer will help you, take care.
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What Causes Weak Facial Muscles Post Wisdom Tooth Extraction?

Thanks for your query, I have gone through your query. The twitching over the facial muscles and trismus can be because of the nerve injury to facial nerve while injecting the local anesthesia. The trismus is because of the injury to the muscles of mastication while injecting the local anesthesia. Nothing to worry, the twitching will come down gradually over a week. You can take nerve regenerating drugs like vitamin B6 and B12. For the trismus, you can take a muscle relaxant like chlorzoxazone. I hope my answer will help you, take care.