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Doctor insights on: Infection After Root Canal Symptoms

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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

Dr. James Chapman
9 Doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


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Had cheek swelling & bad tooth #11 infection. Weeks later, I did root canal. Symptoms I look for if infection speeded to the face or the bone in the jaw?

Had cheek swelling & bad tooth #11 infection. Weeks later, I did root canal. Symptoms I look for if infection speeded to the face or the bone in the jaw?

Continued swelling: If you develop swelling under your eye after root canal on this tooth, see your endodontist. However this usually happens w/ in aday or two after the procedure. The dr. Will drain or remove the abscess and place you on antibiotics. ...Read more

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How long does a jaw bone infection after root canal take to heal?

How long does a jaw bone infection after root canal take to heal?

Infection dependent: This depends on the size of the infection, the amount of time it has been present, the success of the root canal and the proper antibiotic used. Typically a week, give or take. ...Read more

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I know I have an infection from the retreatment of the root canal but what caused it 3 days after the procedure?

I know I have an infection from the retreatment of the root canal but what caused it 3 days after the procedure?

Infection: The infection that lead to needing to retreat the root canal may still be outside the root. Call the dentist and indicate what you are feeling you may need to be on an antibiotic. ...Read more

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I have pain and swelling following a root canal 2 days ago. There was infection in one of the canals.

I have pain and swelling following a root canal 2 days ago. There was infection in one of the canals.

Increasing?: If pain/swelling is increasing may mean presence of residual infection, incomplete fill, root fracture, slightly elongated temporary filling, etc. If pain/swelling decreasing, remember that all surgical procedures have a healing time. Please call the Dentist or specialist Endodontist who treated you for reevaluation. ...Read more

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What are signs of infection after a root canal?

What are signs of infection after a root canal?

Pain, swelling: Common signs of infection after a root canal could be pain on biting, swelling on the area.

If the root canal was recently completed, it may still be healing. ...Read more

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What antibiotic should be used for treating an infection after a root canal?

What antibiotic should be used for treating an infection after a root canal?

Prescription: Have your dentist evaluate the tooth. Antibiotics alone will not solve the problem. ...Read more

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Had infection previous to root canal, and things are getting a lot better. I have a bit of swelling, would exercise help recover? (running)

Had infection previous to root canal, and things are getting a lot better. I have a bit of swelling, would exercise help recover? (running)

Root canal: If you are still having swelling after a root canal it means the infection has not healed yet. Go back to your dentist for follow up. Running will not speed up the healing process butkeeponyour routine for good health. ...Read more

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I have an infection in a tooth that has had a root canal done. I think ive had it for longer than 4 to 6 years. What will happen if left untreated?

I have an infection in a tooth that has had a root canal done. I think ive had it for longer than 4 to 6 years. What will happen if left untreated?

Continued Infection: The bone will continue to break down, the infection will continue to spread, and you most likely will lose the tooth. Ignore your teeth and they'll go away. ...Read more

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I had my molar crowned first, and did root canal from bottom of crown, because of infection, pain etc. After root canal, when do I know it went well?

I had my molar crowned first, and did root canal from bottom of crown, because of infection, pain etc. After root canal, when do I know it went well?

About a week: A root canal from the bottom is typically done only after a conventional root canal treatment had been done. This procedure is called an apicoectomy. If this is your case, then your symptoms should resolve within a week. If a root canal was not done on that molar previously, you may want to see a specialist. ...Read more

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I have a root canal appointment on next Tuesday on the 22. I saw my dentist this pasa Monday on the 13 and they did not give anything for infection?

I have a root canal appointment on next Tuesday on the 22. I saw my dentist this pasa Monday on the 13 and they did not give anything for infection?

Are you infected?: You assume that because you need root canal therapy that you have an infection... that's not always the case. A deep cavity may not hurt, but the tooth will still need root canal therapy since once the decay is removed the nerve will be exposed. Ask your dentist why no meds were prescribed. ...Read more

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If swelling goes down after root canal, is infection gone?

Sign of healing: When swelling does down it means that the area is less inflamed which is a sign of healing. The infection may not be completely gone, but it is on its way out. ...Read more

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Does the pain after a pulpectomy end after the infection is cured or after the root canal procedure?

Does the pain after a pulpectomy end after the infection is cured or after the root canal procedure?

Yes and yes: When a tooth that is highly infected and has a root end abscess is treated endodonticly, the abscess is still present in the bone. It takes time for the body to heal ...Read more

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Would powerful mouthwashes like listerine kill root canal infection?

Not even close: If your hypothesis was correct, wouldn't dentists have been put out of business years ago? If you have a root canal infection you need root canal treatment if you want to save the tooth and prevent the infection from spreading. Please call your dentist. ...Read more

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It is better to get a tooth removed or another root canal. I have had three infections in this tooth,?

Poor prognosis: The damaging microbes from the dental infection grow in the mouth and then find their way by spreading to other organs of the body making you sick. The prognosis of this tooth is poor. The current research points to a higher predictability of success with the extraction and dental implant placement in this situation. See your dentist ASAP. ...Read more

Dr. John Yu Dr. Yu
1 doctor agreed:
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Needing expert help. I have root canal done 50hour ago. Can I smoke or it will lead to an tooth infection?

Dr. John Yu Dr. Yu
1 doctor agreed:

Not really: Tooth infection is caused by micro-organisms. As long as your tooth is sealed off smoking will not affect the tooth. However, smoking does constrict your vessels and decrease the healing ability of your gum and bone around the tooth. Smoking is not good for your gum health. ...Read more

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Had a root canal a few years ago, general dentist found a nerve root left, very small infection, should I be concerned?

Had a root canal a few years ago, general dentist found a nerve root left, very small infection, should I be concerned?

Unfilled RCT: Small infections can become large infections and cause problems not only to the tooth but your general health. Seek a consult from an Endodontist and General or Restorative Dentist regarding your options. I would not just leave it untreated even if there is no pain or other symptoms present. ...Read more

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Bottom mollar root canal with large absess/infection. Painful Swollen lymph and now my toncill is very angry. Am I in trouble? Can this be dangerous?

Yes: Please don't let it go! See a dentist to control the infection then eliminate it by either doing root canal therapy to save it or do an extraction and clean out the socket. The infection is going through your body and you know that because of your lymph nodes ...Read more

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Is clindamycin 300mg Q12 hours often enough for an infection after a root canal or should it be taken Q8h or Q6?

Is clindamycin 300mg Q12 hours often enough for an infection after a root canal or should it be taken Q8h or Q6?

Depends: Antibiotic dosing for an adult for a systemically involved dental infection using Clindamycin at a strength of 300mg is recommended Q8h for a constant blood level. It should be noted however that there are many variables that may affect that recommendation. I suggest that you discus this with the prescribing DDS for the best answer. Good luck - ...Read more

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When the cause of a root canal infection is solved, does bone regrow at/near root tip in the space that the infection laid in? How long may it take?

When the cause of a root canal infection is solved, does bone regrow at/near root tip in the space that the infection laid in? How long may it take?

Root canal healing: When a root canal has been completed and the canals are sealed to remove the source of nutrients for the bacteria, studies have shown that regeneration of bone at the apex of the tooth occurs and 71% of the lesions in the bone have complete resolution within one year on average. While some lesions do not heal on their own, surgical intervention can usually resolve this problem. ...Read more

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Advice on a puzzling tooth root canal infection problem?

Not sure...: I am not sure I understand your question. If there is an infection problem associated with a root canal procedure you had done I would call the dentist who performed the procedure to have it managed. If you have an infection and have not pursued care for it then I would call your dentist. A personal visual exam would provide you the best information for how to progress from here.... ...Read more

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Will amoxicillin cure a bone infection from a root canal?

Will amoxicillin cure a bone infection from a root canal?

No guarantees...: While root canal therapy most times does remove the source of the infection, there are times when antibiotics are used to remove any infection within the jaw bone. Amoxicillin may work. Penicillin may work. Clindamycin may work. Keflex may work. The decision on which antibiotic to use rests with your dentist and your medical history. We do the best we can but cannot guarantee amoxicillin. ...Read more

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Dental pain after root canal treatment because invasive treatment or infection?

Dental pain after root canal treatment because invasive treatment or infection?

Very common: After the root canal treatment, you may have some pain for 24-72 hours. If pain becomes worse or does not improve after 72 hours, call your dentist for post-op evaluation. ...Read more

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Can a root canal cause infection in your neck arm and breast?

Can a root canal cause infection in your neck arm and breast?

Technically yes...: Dental infections can spread through your bloodstream, but you would have to have a major infection to have it spread to your arm and breast. Hopefully you are being seen by a dentist who has this problem under control... All the best. ...Read more

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Since tooth #11 lies under the floor of the nose, what are the possibilities of any risk from the infection or doing root canal on that teeth.?

Careful....: An infection in this tooth can present serious complications. Immediate care can prevent these complications. Root canals are part of solving the problem. Although root canal treatment is not a life-long fix in a small percentage of cases, it is an accepted and recognized long-term solution to prevent infection. There is little risk in doing a root canal procedure for #11. ...Read more

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I was given penicillin for an infection in my tooth, I will be getting a root canal in 2 weeks. Can I drink?

Moderation: There aren't any clinical studies that show alcohol prevent antibiotics from working. However, you are much more likely to heal while you are healthy. A glass of wine won't hurt but use common sense. It would best to keep hydrated and make sure your body gets all the proper nutrition it needs to get healthy! Hope this helps! ...Read more

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Excruciating pain on entire right side of face centering around a tooth I had a root canal on 6 months ago. Is it more than just an infection?

Excruciating pain on entire right side of face centering around a tooth I had a root canal on 6 months ago. Is it more than just an infection?

Need evaluation: Could be the root canal has failed, the tooth has fractured, another tooth in close proximity is in distress, etc. Cannot tell without examination and x-rays. Please see a root canal specialist, an endodontist. ...Read more

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I've had tooth pain on the tooth I had a root canal on 5 years ago when chewing. Sometimes unbearable. Could it have something to do with infection?

I've had tooth pain on the tooth I had a root canal on 5 years ago when chewing. Sometimes unbearable. Could it have something to do with infection?

See your dentist: If you have a tooth with an old root canal treatment and it has started to show, any type of symptoms like pain or swelling, it should be examined by your dentist for possible infection and re-treatment. ...Read more

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I have a recurring infection from root canal on my front bottom tooth (done 20 yrs ago). Is there any other treatment apart from removal of the tooth?

I have a recurring infection from root canal on my front bottom tooth (done 20 yrs ago). Is there any other treatment apart from removal of the tooth?

RCT failure: The treatment options depend upon two factors. First, the cause of the recurring infection. Some such as an incomplete fill can be retreated, while others such as a root fracture are hopeless. Second, one has to consider long term prognosis of any treatment and alternatives. A simple re-treatment or apico\retro by qualified Endodontist might do the trick. Ext and implant might be better choice. ...Read more

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I just had a root canal and my tooth infection has got worse. I'm taking amoxicillin still but what should I do?

See Endodontist: For evaluation. Endodontists are dentists who have at least 2-3 years of advanced training in root canals. They are experts at diagnosing complications after root canal treatment and use advanced special equipment to treat patients efficiently and comfortably. ...Read more

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I am 6 weeks pregnant and need to have an emergency root canal done to stop the infection. Is there much risk to the baby?

I am 6 weeks pregnant and need to have an emergency root canal done to stop the infection. Is there much risk to the baby?

No: I have performed root canal fo 40 yrs on women at all stages of pregnancy. Local anesthesia is very safe an the procedure is no more dangerous than a filling. Before an antibiotic is used, I recommend approval from your obgyn.
It's more dangerous to wait and do nothing.
Infections can be harmful to mom and fetus. ...Read more

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I went to the endodontics to get treatment on a infected root canal. Does it take up to two years for the infection to go away?

I went to the endodontics to get treatment on a infected root canal. Does it take up to two years for the infection to go away?

RCT infection: If the rct was completed, the infection should be gone within a few weeks at most. However, if you are referring to a radiolucency on the x-ray, it may take up to 3-4 months for complete bone fill. If it's 2 years and still a problem, discuss options such as retreatment, apico or extraction. ...Read more

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I just got off an antibiotic for a tooth infection from a root canal that didn't take. Could I possibly have the infection again!?

I just got off an antibiotic for a tooth infection from a root canal that didn't take. Could I possibly have the infection again!?

See dentist: Yes, you can because the first antibiotic didn't kill the bacteria at the tip of the root. You might need a different antibiotic to kill the remaining bacteria. I'm not sure what you mean by the root canal not taking. If you still have pain, return to the dentist to have it checked. ...Read more

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It hurts a lot from my gum/tooth infection so I have to have a root canal. It is still hurting just as much so how long do they take to work?

Root canals: Completed on a painful tooth almost always improve acute symptoms immediately. Depending on the amount of inflammation and infection that infiltrated into the tissues surrounding the tooth, symptoms can continue to aggravate u after the root canal. Medications are prescribed to fight this issue. There are many possibilities. If its been more than 5 days, return to your doctor. ...Read more

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Hi - I had a gum infection below one of my molars which already had root canal done 10 years back. My doctor recommends re-doing the root canal.

Ok, Question?: What's your question? Retreatment of teeth with prior root canal therapy is not uncommon. If your dentist feels that that is the correct treatment, then go for it. ...Read more

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Crown put on 7day ago. Such pain dentist gave me antibiotic today -he's guessing infection. X ray shows all good. Will I need a root canal or this fix?

Not normal: Crown tooth pain after one week is a signal that something is wrong and needs to be corrected. Please follow your dentist recommendations. ...Read more

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I had a root canal 3 weeks ago. 4 days ago a started experiencing lower left jaw pains and sharp pains. The x-rays show no infections or abnormality?

I had a root canal 3 weeks ago. 4 days ago a started experiencing lower left jaw pains and sharp pains. The x-rays show no infections or abnormality?

See your dentist: If you have severe pain or pressure in your jaw that lasts more than a few days, contact your dentist or endodontist for re-evaluation. Not all problem teeth display symptoms you can detect on x-rays. ...Read more

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Root canals. Safe or not? #nqlu I have heard that it is better for your health to get a bridge instead of a root canal. The reason being dead matter is dead matter, and it breeds decay and infection, so best to not do it. Is this true?

Root canals. Safe or not? #nqlu I have heard that it is better for your health to get a bridge instead of a root canal. The reason being dead matter is dead matter, and it breeds decay and infection, so best to not do it. Is this true?

Root canals: Infections in a root are worse, what are your options? Are you going to place an implant? Than you have a titanium screw in your body (some people say that's bad too). Or a bridge, than you have to shave down two more teeth. Don't listen to everything you hear, everyone and every case is different.
Ask you dentist to take an x-ray and see if there is an abscess present than see your options. ...Read more