Complete guide for re-nervation of teeth (Re-Endo)

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It may be hard to imagine, but even a tooth that has been extracted and we feel comfortable with it, may have problems again after a while; Pain, sensitivity or infection. In such a situation, many people worry that the only way is to pull the tooth.

But there is always a second way; Re-nervation or root canal treatment is another attempt to preserve your natural tooth. In this article, with a simple and scientific language, we will go to one of the most specialized and at the same time the most promising dental treatments. If you have a tooth that still hasn't calmed down after nerve extraction, this article is for you.

Why is the tooth denervated again? Does it need treatment?

Some teeth become painful, infected or sensitive again with the passage of time or due to treatment errors. In such cases, root re-treatment may be needed to save the tooth and save it from extraction.

What exactly is tooth re-nervation?

Re-nervation or root re-treatment is a process in which the previous root treatment is completely revised and corrected. In this method:

• The previous filling material is removed from inside the tooth.
• The root canals are carefully disinfected.
• It is filled and sealed again with new material.

This process is necessary when the previous treatment was not successful or after some time, the tooth becomes infected, painful or sensitive again. tooth)

In many cases, the need for retreatment is due to issues that were not properly managed in the initial nervectomy. Some of the common reasons:

• complexity of the canal anatomy that causes part of the roots to be overlooked
• incomplete or poor filling of the canals
• bacterial re-infiltration due to cracks, decay or insufficient restoration
• forgetting one of the sub-canals (which is seen in 28% of cases)
• fracture of the lining or filling causing re-infection of the canal

How do we know we need root canal treatment?

Symptoms that may indicate the need for re-nervation of the tooth include:

• Continuous pain or pressure in the denervated tooth
• Long-term sensitivity to heat or cold
• Abscess or pus discharge around the tooth
• Swelling or inflammation of the surrounding gums Teeth
• Tooth discoloration or loosening

If you have any of these symptoms, it's time to consult a dental root canal specialist.

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Steps of tooth reinnervation (tooth root retreatment) step by step

Tooth reinnervation or tooth root retreatment is a specialized and precise treatment that is performed in several steps. In the following, we review the steps of this treatment in simple language:

Precise diagnosis and removal of old material

At first, the dentist examines the condition of the roots using imaging (such as radiography or digital CT scan) to determine the exact location of the infection or identification problem and the forgotten or blocked root canals.

Then, if the tooth has already been covered, the cover is removed to access the inside of the tooth. be provided After that, the old filling material is removed with specialized tools.

Cleaning and deep disinfection of the canals

After removing the previous material, the root canals are cleaned and disinfected. This step is very important; Because:

• Any dead tissue, bacteria or residual secretions are removed.
• Disinfectant drugs are placed in the canal to be fully effective.

In cases where the inflammation or infection is severe, this step may be done in two sessions and special medicine is placed inside the tooth between sessions.

Filling of the canal and tooth crown restoration

After ensuring cleanliness The canals are filled with a substance called gutta-percha. This material completely fills the empty space and prevents bacteria from re-infiltrating.

At the end, the tooth is restored with a temporary or permanent restoration. If the tooth needs strengthening, a new coating is placed on it to maintain its function and natural appearance.

Is re-nervation painful?

No; With local anesthesia, the treatment is done without pain. You may only have a little pain or temporary sensitivity after the treatment, which will be relieved with painkillers.

Pain management during and after root canal treatment

During the treatment, local anesthesia will make you feel no pain. After the work:

• The tooth may be a little sore or sensitive for the first few days, especially when chewing.
• The use of painkillers prescribed by the dentist is usually sufficient.
• Using a cold compress on the first day can reduce the inflammation.
• In rare cases, if the pain is severe or prolonged, you should definitely contact the doctor.

Warning signs that require immediate attention

If you have the following symptoms, go to the dentist immediately:

• Severe and prolonged pain
• Swelling or discharge of pus
• Fever or bad breath

What is it?

Complications that may occur in re-nervation include:

• Temporary pain or sensitivity after treatment
• Possibility of treatment failure in case of high complexity of canals
• Cracking or fracture of tooth in case of weak structure
• Re-infiltration of bacteria in case of incomplete seal
• Breaking of endodontic treatment tool (in rare cases)

Breaking of file during treatment re-rooting; Why does it happen and what should be done?

Sometimes the very thin instrument used to clean the canals may break inside the tooth. This happens more often in teeth with a narrow or twisted canal.

• If the broken piece does not cause an interruption in the treatment path, it may not be necessary to remove it.
• In certain cases, the dentist will remove it with special equipment or continue the treatment with an alternative path.

After re-root treatment

With proper care, a tooth that has undergone root re-treatment can last for years or even for the rest of its life.

What is the success rate of root re-treatment?

The success rate of re-nervation is estimated between 70 and 90%.

How long does a tooth last after re-nervation?

If the treatment is done correctly and the patient observes oral hygiene, this tooth It can last for decades. Covering the tooth after re-endo also plays an important role in increasing its lifespan.

Care instructions to increase the durability of root canal treatment

• Avoid chewing hard foods on the treated tooth in the first days.
• Clean the teeth twice a day with a soft toothbrush.
• Be sure to use dental floss. See a dentist.
• If the tooth needs a permanent coating, do it as soon as possible.

Substitutes for reinnervation. What are the teeth?

Sometimes the condition of the tooth is such that re-nervation cannot be done or the probability of its success is low. In these cases, the dentist may suggest alternative methods.

Surgery of the end of the root (epichoectomy)

Apichoectomy is a specialized surgery in which the tip of the tooth root is removed along with the infected tissue around it. This procedure is usually performed when:

• Re-nervation alone is not enough.
• Part of the root canal is not accessible.
• Or the infection is limited to the end of the root.

Tooth extraction and replacement with an implant or bridge

If none of the treatments are successful, tooth extraction is the last option. After that, to maintain the health of the mouth and prevent the displacement of the adjacent teeth, it is usually recommended to perform dental implant or a bridge.

Comparison table: Root canal treatment vs. implant

cost of root canal treatment and Re-nervation of the tooth

The cost of re-nervation of the tooth may be a little more than the initial treatment, because this treatment is more specialized and complicated; But compared to the cost of an implant or a bridge, it is still considered a more economical option to preserve a natural tooth.

Factors affecting the cost of re-nervation of the tooth

The final cost changes depending on the following factors:

• The position of the tooth in the mouth (anterior, posterior, molar)
• Number Root canals and degree of complexity of treatment
• need to remove veneers or previous restoration
• extent of inflammation or infection
• use of auxiliary drugs or more sessions
• geographic location of the office and dental tariff

comparison of the cost of root canal retreatment with alternative options

treatment optioncost range Approximate Advantages Disadvantages Re-nervation of teeth 4 to 6 million tomans Keeping natural teeth, without surgery Lower success in damaged teeth Dental implants 15 to 30 million tomans High durability, no decay Surgery, high cost, time consuming tooth extraction + bridge 8 to 15 million tomans Faster replacement than Implant-trache healthy lateral teeth

Frequently asked questions about tooth re-nervation

Who should perform re-nervation?

It is better to perform this treatment by a de-nervation specialist (endodontist); Because it requires high precision, advanced equipment and skill in managing complex canals.

How many times can a tooth be re-nervated?

As long as the tooth structure remains healthy, re-treatment is possible up to two or even three times. Of course, the probability of success decreases each time.

Does the veneer have to be replaced?

If the veneer is healthy and can be removed and re-installed without damage, replacement is not necessary; But in many cases, a new veneer is recommended.

What are the risks of re-nerving an infected tooth?

If not treated, the infection can spread to the jawbone, causing an abscess and eventually the tooth will be lost.

Can a veneered tooth be re-nerved?

Yes; By removing the coating or in some cases by drilling it, it is possible to re-treat the root.

Conclusion; What is the best decision for your tooth?

Re-nervation is another chance to save a tooth that can still be with you for years. By visiting an experienced specialist and performing treatment at the right time, you can avoid pain, infection and additional costs without needing to extract teeth.

Preserving your natural teeth is always our priority; If you have doubts about the need for re-nervation or you are looking for a reliable dentist in East Tehran, contact Setare Shargh Dental Clinic right now: 021-91093560

Consult with a root canal specialist and find out price of tooth extraction and the exact treatment tariff, just one call away. It is.

Last updated on 2 Shahrivar 1404 by Setare Shargh writers team

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