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Dr. Andrew Rynne
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Dr. Andrew Rynne

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Is Difficulty In Opening The Jaw After 2 Shots Of Anesthesia For Tooth Cavity Normal?

My tooth was fine. I only went to get a change of filling from silver to the white. After a while the dentist said i had a cavity underneath. I went home after 2 shots of the anestisia,since the first did not numb me. Well ,it's been 2 weeks later and I still can't open my jaw. (maybe only 1/2 inch) I went back to the dentist and he said it should be ok in 2-4 weeks. Is that normal? I am worried it could be something worse.
Wed, 6 Aug 2014
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Dentist, Oral and Maxillofacial Surgery,  's  Response
Hello,

The limited mouth opening could be because of the complication of the injection. Any trauma caused by needle penetration to any muscle can cause limited mouth opening. You can take an analgesic with muscle relaxants like flexon MR three times a day for three days.

The other possible cause for limited mouth opening could be because of the disc displacement secondary to long-standing mouth opening during a dental procedure. You can take tablet piroxicam twice daily for the first day and once daily for five days. Do saline gargling and can give hot fomentation over the muscle.


Hope I have answered your query. Let me know if I can assist you further.

Regards,
Dr. Mahesh Kumar T S
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Is Difficulty In Opening The Jaw After 2 Shots Of Anesthesia For Tooth Cavity Normal?

Hello, The limited mouth opening could be because of the complication of the injection. Any trauma caused by needle penetration to any muscle can cause limited mouth opening. You can take an analgesic with muscle relaxants like flexon MR three times a day for three days. The other possible cause for limited mouth opening could be because of the disc displacement secondary to long-standing mouth opening during a dental procedure. You can take tablet piroxicam twice daily for the first day and once daily for five days. Do saline gargling and can give hot fomentation over the muscle. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Mahesh Kumar T S