Procedures

With proper care, most teeth that have had endodontic (root canal) treatment can last as long as other natural teeth.  In some cases, however, a tooth that has received endodontic treatment fails to heal.  Occasionally, the tooth becomes painful or diseased months or even years after successful treatment.

If your tooth  has failed to heal or has developed new problems, you have a second chance.  Another endodontic procedure may be able to save your tooth.

Why go to an endodontist for a retreatment?

Endodontists are dentists with at least two additional years of advanced specialty education in diagnosis and root canal treatment.  Because they limit their practices to endodontics, they treat these types of problems every day.  Endodontists are experts in performing non-surgical and surgical retreatment.  They use their special training and experience in treating difficult cases, such as teeth with narrow or blocked canals or unusual anatomy.  Endodontists may use advanced technology, such as operating microscopes, ultrasonics and digital imaging, to perform these special services.

 Why do I need another endodontic procedure?

Occasionally, what happens with any dental or medical procedure, a tooth may not heal as expected after initial treatment for a variety of reasons:

  • Narrow or curved canals were not treated during the initial procedure.

  • Complicated canal anatomy went undetected in the first procedure.

  • The placement of the crown or other restoration was delayed following the endodontic treatment.

  • The restoration did not prevent salivary contamination to the inside of the tooth.

  • In other cases, a new problem can jeopardize a tooth that was successfully treated. For example:

    • New decay can expose the root canal filling material to bacteria, causing a new infection in the tooth.

    • A loose, cracked or broken crown or filling can expose the tooth to new infection.

    • A tooth sustains a fracture.


What will happen during retreatment?

First, we will discuss your treatment options. If you choose retreatment, we will reopen your tooth to gain access to the root canal filling material. In many cases, complex restorative materials—crown, post and core material—must be disassembled and removed to permit access to the root canals.

After removing the canal filling, we can clean the canals and carefully examine the inside of your tooth using magnification and illumination, searching for any additional canals or unusual anatomy that requires treatment.

After cleaning the canals, we will fill and seal the canals and place a temporary filling in the tooth. If the canals are unusually narrow or blocked, we may recommend endodontic surgery. This surgery involves making an incision to allow the other end of the root to be sealed.

After we complete the retreatment, you will need to return to your dentist as soon as possible to have a new crown or other restoration placed on the tooth to protect and restore it to its full function.

Is retreatment the best choice for me?

Whenever possible, it is best to save your natural tooth. Retreated teeth can function well for years, even for a lifetime.

Advances in technology are constantly changing the way root canal treatment is performed, so we may use new techniques that were not available when you had your first procedure.

As with any dental or medical procedure, there are no guarantees. We will discuss your options and the chances of success before beginning retreatment.

How much will the procedure cost?

The cost varies depending on how complicated the procedure will be. The procedure will probably be more complex than your first root canal treatment, because your restoration and filling material may need to be removed to accomplish the new procedure. In addition, we may need to spend extra time searching for unusual canal anatomy. Therefore, you can generally expect retreatment to cost more than the initial endodontic treatment.

While dental insurance may cover part or all of the cost for retreatment, some policies limit coverage to a single procedure on a tooth in a given period of time. Check with your employer or insurance company prior to retreatment to be sure of your coverage.

What are the alternatives to retreatment?

If nonsurgical retreatment is not an option, then endodontic surgery should be considered. This surgery involves making an incision to allow access to the tip of the root. Endodontic surgery may also be recommended in conjunction with retreatment or as an alternative. Your endodontist will discuss your options and recommend appropriate treatment.

What are the alternatives to endodontic retreatment and/or endodontic surgery?

The only other alternative is extraction of the tooth. The extracted tooth must then be replaced with an implant, bridge or removable partial denture to restore chewing function and to prevent adjacent teeth from shifting. Because these options require extensive surgery or dental procedures on adjacent healthy teeth, they can be far more costly and time consuming than retreatment and restoration of the natural tooth.

No matter how effective tooth replacements are—nothing is as good as your own natural teeth. You’ve already made an investment in saving your tooth. The payoff for choosing retreatment could be a healthy, functioning natural tooth for many years to come.



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1050 Baltimore Pike Suite 6
Springfield, PA 19064
(610) 543-2288