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St Petersburg Endodontics specializes is in endodontic retreatment and root canal retreatment in St Petersburg, Florida.

Root Canal Retreatment

Endodontic Retreatment

After a root canal procedure, some teeth may not heal as expected or may suffer from a new infection which will require another root canal procedure to be performed. This occurs when the initial treatment did not remove all of the affected areas, when decay accumulates again in the treated area, or when the tooth becomes cracked.

Some patients may not experience any symptoms from this condition, while others may experience swelling or pain while chewing. It is important to see a specialist in root canal therapy if you are suffering from any symptoms in a previously treated tooth.

In order to treat a tooth that did not heal properly or has been infected again after a root canal procedure, a re-treatment procedure may be performed to ensure that the tooth is thoroughly cleared of any decay and is able to function and heal properly.

What happens during the root canal re-treatment procedure?

During re-treatment, Dr. Hedrick will reopen the infected tooth to gain access to the root canal filling. This may require disassembling crowns, posts and other restorative materials in order to reach the root of the tooth. The root filling material from the initial procedure is removed and the canals will be thoroughly cleaned and disinfected. Dr. Hedrick will carefully examine the area using amicroscope to detect any additional canals or microscopic contamination..

After the canals are cleaned, the tooth will be filled with gutta-percha and the canals will be sealed. A temporary filling will be placed in the tooth.

This procedure is performed under local anesthesia which numbs the affected area and relieves any pain and discomfort during the procedure. The anesthesia also helps patients relax and relieves any anxieties they may have.

Will I need more than one appointment to complete this procedure?

Yes, usually re-treatments require a period of medication to thoroughly disinfect the root canal. The medication can take 1-2 weeks to be fully effective. A follow-up appointment with a general dentist will be needed to permanently restore the tooth with a crown or other material. This helps restore full function to the tooth and protects against future infection or decay.

What happens after the root canal re-treatment procedure?

After re-treatment, patients may experience discomfort and tenderness for several days. You should avoid biting and chewing on that side. To relieve symptoms after this procedure, patients can take anti-inflammatory medication such as ibuprofen, Advil, Motrin or aspirin. If symptoms persist or worsen after a few days, please call our office. Patients can return to receive their permanent filling as soon as they wish, and should schedule a follow-up visit eight months after the procedure. This allows us to examine the tooth and check for healing once symptoms have been fully relieved at no extra charge to you.

Is this procedure right for me?

Root canal re-treatment is ideal for most patients as an attempt to save the tooth from being extracted. Saving your natural tooth often yields healthier results because the root of the tooth keeps the bone from receding or resorbing. Many retreated teeth can function well for years, even for the rest of the patient’s life.

For patients who choose not to undergo re-treatment, endodontic surgery may be necessary. Endodontic surgery is a more invasive procedure that involves making an incision to gain access to the tip of the root. Your endodontist will help you decide which treatment option is best for you, based on the diagnostic xrays which are now taken in high definition in our office.

How successful is root canal re-treatment?

Re-treatment of a root canal is successful in thoroughly removing decay and relieving symptoms for many patients. Many patients will enjoy permanent results from their root canal re-treatment, with the treated tooth functioning properly throughout the patient’s life.

Are there any risks or complications associated with this procedure?

Although root canal re-treatment is considered safe, there are certain risks and complications associated with any type of procedure. In our office, we take pride in making sure that you will be well informed before we initiate any procedures. We want you to feel confident about the decision you will be making to save your tooth. Expect to be informed of any risks in your own situation prior to any re-treatment.

Patients can minimize risk by choosing an experienced endodontist to perform the procedure.

Root Canal Retreatment Explained



“Thank you so much for your gentleness in working on a poor tooth, and for your kindness in working with me. If I ever need another root canal, you guys and #1 on the list!”

-Barbara H., patient



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St Petersburg Endodontics specializes in endodontic dentistry, endodontic retreatment and root canal retreatment throughout the entire St Petersburg, Clearwater & Tampa area. Areas we service include St Petersburg, Largo, Seminole, Dunedin, Pinellas Park, Safety Harbor, Oldsmar, Countryside, Clearwater, Palm Harbor, St Pete Beach, Madeira Beach, Indian Rocks Beach, Belleair Beach, Reddington Beach, Treasure Island, Sand Key, Gulfport, Kenneth City, Pinellas County, Tampa, South Tampa, Bradenton, Ellenton, Palmetto, Ruskin, Manatee County.

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