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Doctor insights on: Bone Infection 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. Peter Ihle
267 doctors shared insights

Bone Infection (Definition)

Osteomyelitis is an infection of the bone. Osteo is derived from the greek osteon..Inflammation or infection. A broad range of organisms can cause infection from bacteria, to viruses (less common), to fungi (mycotic). Acute and chronic infections exist. Long term IV treatment with antibiotics (or antifungals or other agents) are needed. In my experience no less than 8 weeks ...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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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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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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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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Tooth infection.On rodogyl. 10days.Root canal done.Still pain. Lnode by jaw swollen.Bone by ear near temple hurts.Do i need see a doctor not dentist?

Tooth infection.On rodogyl. 10days.Root canal done.Still pain. Lnode by jaw swollen.Bone by ear near temple hurts.Do i need see a doctor not dentist?

See your dentist: You need to see the dentist who is treating you for your root canal therapy. Pain may be from an accessory canal, and further treatment may be necessary... Your physician cannot determine that. Call and feel better soon... ...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,?

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

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Dr. John Yu Dr. Yu
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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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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 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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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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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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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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Advice on a puzzling tooth root canal infection problem?

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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Bone (Definition)

Bone is a living growing tissue made mostly of collagen (protein that provides soft framework) & the mineral calcium phosphate that adds strength & hardens the framework. Two types of bone are found in the body; cortical (dense compact outer layer) & trabecular (makes up inner layer, ...Read more


Dr. Andrew Seibert
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