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Pain, swelling and tongue numbness after a root canal and fi

User Level:
Patient
Posted by: WillGetWell  (9 years ago)

Dear everyone,

I had a root canal and a large filling on my upper right second molar a few months ago. After a month, I had some swelling above the gum area. My canine tooth and jaw had begun hurting as well. I also noticed some numbness in the right side of my tongue. When I went to the dentist, he took some X-rays, checked my teeth for sensitivity and said everything looks fine. He asked me to wait for a few more weeks and see how it goes.

I have started brushing more and flossing more to get rid of the swelling in my gums. After four weeks, I felt better though the numbness in my tongue was still there. I thought everything was already fine until about a week ago, I noticed that the tooth and jaw pain came back. I now have cold sensitivity on the filled tooth and some swelling around its root area. Does anyone know why would this be happening? Please help! I have been sleepless lately because of the pain. Any suggestions would be highly appreciated!
User Level:
Student
Posted by: mdhola  (9 years ago)
Numbness in tongue might be because of local anesthetic injection induced nerve injury. however, most of time patients recovers from it. Depending on severity of injury it might take from few days to few months or years!
Swelling around root canal treated tooth might be abnormal and you should visit your dentist as soon as possible as it might be because of recurrent infection around that tooth. Many times root canal treated tooth with large filling needs crown also, i am not sure if you have your tooth crowned or not. your dentist can give you more advise about it. Thanks!
User Level:
Patient
Posted by: Paullyons  (8 years ago)
Numbness in tongue might be because of local anesthetic injection induced nerve injury. however, most of time patients recovers from it. Depending on severity of injury it might take from few days to few months or years!
Swelling around root canal treated tooth might be abnormal and you should visit your dentist as soon as possible as it might be because of recurrent infection around that tooth. Many times root canal treated tooth with large filling needs crown also, i am not sure if you have your tooth crowned or not. your dentist can give you more advise about it. Thanks!


User Level:
Student
Posted by: Manchy  (8 years ago)
I know this was posted 5 months ago but it would be interesting to know how it is now and what were the diagnosis and the treatment for your symptoms.
You had a root canal treatment on an upper tooth which means you had an injection in the upper arch. Having numbness in the tongue as a result of an upper tooth injection is less likely. However, looking at the position of that tooth the needle could’ve probably gone too far back and up (which could happen sometimes if the tooth itself is too far back) and hit one of the big branches of the nerve (probably the one that gives sensation to your tongue) . OR this might not be associated with that root filling treatment at all. Is it possible that you had a previous extraction of a lower wisdom tooth to that side? This could’ve been there for a long time and probably u just noticed it now?
I can’t see how this is connected to you canine (fangs) tooth and Jaw problems? Do you clench your teeth at night or have your partner or someone mentioned anything about making some teeth noises during asleep? Have you been stressed during that time? Have you noticed having headaches when you are awake? This could be a cause of these symptoms (parafunctional habit)
The swelling on the gum next to a root treated tooth could be a sign of failure of that root canal treatment and re-infection of the canals. You said it was a large filling which means it’s more susceptible to fracture (either the filling or the tooth itself). If there is a fracture line (gap) anywhere in that tooth/filling, it could allow bacteria to leak and cause a re-infection, thus, failure of the root canal.
Or another reason for failure of that tooth probably could be that the largest canal (palatal) is curved towards your cheek which will make it looks straight in the x-ray, thus an inadequate cleaning of the root canal in the first place was not achieved (again this is something not uncommon).
A root canal treatment is by definition removing the nerve of the tooth (so it becomes dead), and having a cold sensitivity on that filled tooth is less likely. There are some cases were a second MB canal is present and by this I mean an extra root canal that is sometimes present (not usually) but often missed. If that was not cleaned and the nerve was still alive and you are sure that it was that tooth that was causing the cold sensitivity then this could be a possible explanation.
If you have recession on the tooth adjacent to that (gum line has gone more towards the roots of the tooth), this could cause cold sensitivity and the treatment of that would be different.
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