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Doctor insights on: Antibiotic For Root Canal Infection

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Dr. Patricia Foster
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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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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I am not alergic to any antibiotcs can I take ciprofloxacin for a tooth infection i had about $5000 worth of work on my upper teeth i had two on the right that were missing and one on the left. I had perminent pars, but no root canals. It hurts when i pu

I am not alergic to any antibiotcs can I take ciprofloxacin for a tooth infection i had about $5000 worth of work on my upper teeth  i had two on the right that were missing and one on the left. I had perminent pars, but no root canals. It hurts when i pu

What treatment did: You have? Why do you want to take cipro (ciprofloxacin)? Have you notified your provider? Do you mean permanent partials? Your question is difficult to interpret. I'm sorry at this point I have more questions then answers. Happy to help if i had more information. If you are in pain it would be ideal to call the treating dentist and have them help you immediately ...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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Is it possible that post-root canal infection will not recur when antibiotics have cleared it up?

Is it possible that post-root canal infection will not recur when antibiotics have cleared it up?

No: If the antibiotic was caused by a flare-up post root canal, then it should be fine. However, if the infection was caused by bacteria that may still be in the tooth, or a missed canal, the infection can come back. If the tooth is not restored properly with a permanent filling, the infection can come back. If there is a cavity still present, the infection can come back. ...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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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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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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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 there is still infection after the root canal and antibiotics don't treat it, what are symptoms of it, and does that mean the infection has spread?

Infection: Swelling/pain/fever are general signs of infection around the tooth or radiating to a adjacent area. Also a dental radiograph of the area would be very helpful to diagnose. ...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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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?

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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Would powerful mouthwashes like listerine kill root canal infection ?

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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Dr. John Leander Po
1,117 doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more