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A root canal procedure can be started while an infection (abscess) is present but but probably not completed until another day, and it may be quite painful.The reason it will be painful is if the infection is located in such a way that it prevents the effective use of local anesthetics. Local anesthetics do not work well in infected tissues. During the procedure, the nerve of the tooth is exposed, touched directly, and removed. Local anesthetics are extremely necessary.

Once the tooth is opened there will be a large quantity of exudate (pus) present as well as blood. In order for the root canal to be completed properly, the bleeding and the exudate need to be gone. The long term success of the root canal is dependent on this.

An alternative would be to go on a regimen of antibiotics for a few days to knock down the infection and reduce the blood supply to the infected tooth. The root canal can then be completed, and it should be a lot more comfortable.

Ask your dentist about your options.

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10y ago
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13y ago

Depending on how bad the infection is, you can get an RCT on an abscessed tooth. Unless the infection is bad enough to where you need to go to the ER either because of excruciating pain or a puss pocket the size of a Golf ball, then a dentist can treat the tooth within a few weeks once you begin a regimen of antibiotics.

You do not want to get an RCT right away if you have an active, pussing, oozing "pimple on the gums" infection because this can make it difficult to numb your tooth for the procedure. Therefore, the dentist will make sure you've been taking antibiotics at least 5 days prior to beginning RCT or referring you to an Endo specialist.

Abscesses can vary in size and severity, so in most cases an RCT can be started right away even though a tooth is abscessed, and antibiotics will be prescribed before or after the procedure in any case.

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16y ago

yes

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Q: Can a tooth that has had a root canal become abscessed?
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Related questions

What dentist should Hakim go to for an abscessed tooth that needs a root canal?

An endodontist


Should an abscessed tooth be removed or treated if there is no pain but the X-rays show the tooth to be abscessed?

Yes, you should have an abscessed tooth either removed (or a root canal) done. It depends on what the dentist says. First, the dentist will put you on antibiotics to be sure the abscess is cleared up and then do the procedure. Most dentists prefer to save your teeth if at all possible so discuss the root canal as an option.


What does it mean if you had an abscessed tooth got a root canal and the abscess seems to be coming back?

A dentist, specifically yours, would probably suggest removal of the tooth - especially if the abscess has come back.


What is a rootcanal?

Sometimes an infection in a tooth becomes abscessed. At that point, it becomes necessary either to pull the tooth or to clean out the root and fill it. A root canal means the dentist cleans out the root of the tooth. He or she drills out the nerves and blood supply to the tooth. The tooth may have one, two, three, or four roots. Each root is cleaned out, filled, and then a regular filling is placed in the rest of the tooth.


Does a root canal increase the chances of losing a tooth?

No . . . the root canal procedure is intended to save the tooth.


Is there a natural way to treat an abscessed tooth without using antibiotics?

Options include extraction and root canal treatment, however antibiotics are sometimes necessary as it is often verry dificult to extract/root treat acutely abscessed teeth. Dr Nicholas Manning BDS Glasg MFDS (RCSEng)


Could an infected tooth that is not abscessed but needs a root canal kill you if not treated quickly?

It is unlikely that you will die from an infected tooth. If it abscesses, you may wish you were dead. Having said that, yes it is extremely remotely possible that you could die from an untreated infected tooth.


What is d3330 root canal therapy?

that is a root canal of a molar tooth. Meaning the dentist is removing the nerve and pulp of the tooth.


How can you cure tooth abscess?

An abscessed tooth can be treated with a root canal and a crown, or with an apicoectomy (if the root canal has failed) or with an extraction. Only your dentist can tell you which option is best for your individual situation.


Is replacing bonded tooth with a crown necessary to prevent root canal?

Is replacing bonded tooth with a crown necessary to prevent root canal?


How do you get rid of tooth roots?

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Do dentists remove the root of a tooth when a root canal is performed?

Yes, They do remove it. The reason for getting a tooth treated with the root canal treatment is because of the cavity of the teeth which has reached its root level and has started causing pain. Hence it is removed and treatment is completed by covering the infected tooth with the crown.