Apical Lesions: Treatment Options Beyond Tooth Extraction - Dentistry

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Apex pathology


Hello, a few years ago I underwent root canal treatment on the lower right molar, and recently, during a full-mouth X-ray, a lesion was found at the apex of the tooth root, showing radiolucency, and the tooth has become mobile.
The dentist at the clinic assessed that the previous root canals were fully cleaned, so the only option moving forward is extraction and dental implant.
I would like to know if it is possible to go to a hospital for apicoectomy to remove the apical lesion and allow for healing, or if dental implant is the only treatment option available?

J, 20~29 year old female. Ask Date: 2016/02/24

Dr. Zeng Guanghui reply Dentistry


In the above situation, if the original root canal filling is already tight and extends to the apex, but there is still apical pathology, it may be considered to refer the patient to an endodontic specialist for apicoectomy to attempt to thoroughly debride the apical lesion and observe whether the lesion gradually resolves.

Reply Date: 2016/02/24

More Info


When dealing with apical lesions, particularly after a root canal treatment, it’s essential to understand the various treatment options available. In your case, the presence of a radiolucent area at the apex of the tooth root, along with mobility of the tooth, suggests that there may be an infection or a failure of the previous root canal treatment. This situation can be distressing, but there are several avenues to explore before considering extraction and implant placement.

Firstly, it’s important to assess the nature of the apical lesion. If the lesion is due to persistent infection, it may be possible to perform an apicoectomy, which is a surgical procedure where the tip of the tooth root is removed along with the infected tissue. This procedure can be beneficial if the root canal treatment was not successful in completely eliminating the infection. During an apicoectomy, the dentist or oral surgeon will make an incision in the gum tissue to expose the bone and the root of the tooth. The infected tissue is then removed, and the root end is sealed to prevent further infection. This option allows you to retain your natural tooth, which is often preferable to extraction.

However, the success of an apicoectomy largely depends on the extent of the infection and the condition of the tooth. If the tooth is significantly mobile, it may indicate that the supporting structures (the bone and periodontal ligament) are compromised, which could affect the long-term prognosis of the tooth even if the apicoectomy is successful. In such cases, the tooth may still be at risk for future issues, and extraction might ultimately be necessary.

If the apicoectomy is not viable or if the tooth is too compromised, extraction may be the next step. After extraction, you can consider options such as dental implants or bridges to restore function and aesthetics. Dental implants are often recommended as they provide a stable foundation for replacement teeth and help maintain bone density in the jaw.

Before making a decision, it’s crucial to have a thorough discussion with your dentist or an endodontist (a specialist in root canal treatments). They can provide a detailed evaluation of your specific situation, including the condition of the tooth, the extent of the apical lesion, and the surrounding bone structure. They may also recommend advanced imaging techniques, such as a Cone Beam CT scan, to get a clearer picture of the area and help guide treatment decisions.

In summary, while extraction and implant placement are common solutions for a tooth with an apical lesion, they are not the only options. An apicoectomy may be a viable alternative that allows you to keep your natural tooth, depending on the specific circumstances. It’s essential to weigh the pros and cons of each option with your dental care provider to determine the best course of action for your oral health. Regular follow-ups and good oral hygiene practices will also play a critical role in the success of whichever treatment you choose.

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