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Doctor insights on: Sinus Pain After Root Canal

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Ct scan showed swollen lymph nodes on right side of neck. Recent root canal on right side and sinus infection. Cbc in nov was good. What is it?

Ct scan showed swollen lymph nodes on right side of neck. Recent root canal on right side and sinus infection. Cbc in nov was good. What is it?

Infections: The infections in the sinuses or the just finished root canal treatment either still there or did not go away completely , consult your doctor for treatment. Swollen lymph nodes are indicative of infections in the areas they drain.. ...Read more

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Dr. Tanya Russo
3 doctors shared insights

Sinus (Definition)

In anatomy, a sinus is a cavity within a bone or other tissue. Most commonly found in the bones of the face and connecting with the nasal cavities. Sinus (anatomy), description of the general term paranasal sinuses, air cavities in the cranial bones, especially those near the nose, including: the maxillary sinuses, also called the maxillary antra and the largest of the ...Read more


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Will face pressure and random gum pain subside after having a crown adjusted? The tooth already had a root canal. Why is there sinus like pressure?

Will face pressure and random gum pain subside after having a crown adjusted? The tooth already had a root canal. Why is there sinus like pressure?

Possibly: If the problem is due to a poor bite, then yes, you should be fine. If the problem is due to a recurrent infection or a fractured tooth, then those problems will have to be addressed. ...Read more

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After root canal on canine tooth #11, iam curious to know what are the symptoms/how it feels if the drill touches or drills into the sinus cavity floor?

After root canal on canine tooth #11, iam curious to know what are the symptoms/how it feels if the drill touches or drills into the sinus cavity floor?

Not going to happen: The root of tooth #11 lies under the floor of the nose and not in the sinus cavity. You should be numb with local anesthetic so you will feel pressure , but should not feel pain. I have never seen or heard of drilling into the sinus thru the six front teeth under the nose. ...Read more

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I've had a recurring sinus infection, coupled with severe tooth pain. Do i possibly need a root canal?

I've had a recurring sinus infection, coupled with severe tooth pain. Do i possibly need a root canal?

Maybe...: It sounds like there is an infection that is tooth related. If this is the case and your tooth can be saved, a root canal may be your answer. There are too many issues to resolve without a professional evaluation. See your dentist asap and get well ;-). ...Read more

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What causes a root canal to puncture a sinus?

Sinus: Upper back molar teeth can often have roots which protrude into the maxillary sinus cavity, in the upper jaw and cheekbone. A root canal in an upper back molar tooth could result in a tiny opening into the sinus or filling material in the sinus cavity. If you're concerned about it, return to see the dentist who performed the root canal and discuss it. You may need to see an endodontist. ...Read more

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I did my root canal surgery 6 years ago and still have the temporary caping only. will it do any harm? I left it like that because i got a sinus issue

I did my root canal surgery 6 years ago and still have the temporary caping only. will it do any harm? I left it like that because i got a sinus issue

See Dentist: If it has not broken down and leaked already, you may still be ok. Typically the tooth will be at a very high risk for fracture and loss of seal and re infection. You may have been extremely lucky. Important to see your Dentist to check this and complete treatment with definitive restoration. Good luck. ...Read more

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I had root canal on #5, then it broke and was crowned 3 month ago. Can it cause inflammation/blockage in maxillary sinus? What tests needed?

I had root canal on #5, then it broke and was crowned 3 month ago. Can it cause inflammation/blockage in maxillary sinus? What tests needed?

Comorbidity: The pain can be easily confused because the two areas are so close. Sinus infection usually bilaterally, the sinus pain is exacerbated by lowering the head and is increased by stepping hard on the heel (climbing stairs) the diagnosis is confirmed by appropriate imaging. If pain persists, make sure to get medical help immediately. ...Read more

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What are possible complications of a chronic infection in the sinus because of a perforation from a root canal?

What are possible complications of a chronic infection in the sinus because of a perforation from a root canal?

See Endodontist : It depends upon what was placed into your sinus. If it was the disinfecting solution the denist uses to clean your canals then the sinus usually recovers with no intervention. However, if the 'filling material' of the root canal was placed in the sinus then you need the help of an oral surgeon or ent. Since you said this is 'chronic' i would suggest getting this looked at soon. ...Read more

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I have symptoms of sinusitis with mild facial swelling. A year ago, I had a root canal on the same side on the upper molar number two with a crown placed. That tooth is tender now. What could be the cause of swelling, tooth or sinus? I am not sure whom to

I have symptoms of sinusitis with mild facial swelling. A year ago, I had a root canal on the same side on the upper molar number two with a crown placed. That tooth is tender now. What could be the cause of swelling, tooth or sinus? I am not sure whom to

Dentist First: From you history, i would start with the root canal tooth, then work from there. It is possible, given your timeline, that the root canal possibly failed, and the infection recurred. If so, treatment is necessary and may allow you to still save the tooth. It is possible it's a sinus infection, but my first guess would be the rct tooth. You want a "pa x-ray", digital if possible, or ct scan. ...Read more

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Would root canal treatment on # 11or # 14 molar teeth touches the nerve or cause any issue with sinus.I am hesitant to do procedure. Feedback please.

Would root canal treatment on  # 11or # 14 molar teeth touches the nerve or cause any issue with sinus.I am hesitant to do procedure. Feedback please.

Not likely: Root canal treatment is meant to eliminate an infection found in and around the tooth. This infection can have a negative effect on the sinus. Rct can remove an infection that began in the tooth and spread to the sinus area. It is highly unlikely that this treatment will have a detrimental effect on the sinus. For specific details about your case it would be best to consult an endodontist. ...Read more

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Dr. Thomas Klein
719 doctors shared insights

Sinus Pain (Definition)

Sinus pain is a symptom in which a person has pain in the sinus spaces of the face. The sinuses are hollow spaces in the facial bones, with the largest spaces in each cheekbone and in the forehead. Sinus infections can cause sinus pressure, sinus pain, headaches, fever, cloudy ...Read more