Impact of Untreated Dental Apex Cyst on Future Implants

Tooth extraction and dental implant placement after periapical cyst removal?

Hello, Doctor.
Today, after my tooth extraction, the dentist mentioned that the apical cyst was close to the nerve, so it was not treated.
Instead, they placed collagen (the doctor said it would be absorbed by itself, and once it shrinks to a suitable size, I can have an implant).
I would like to ask if not treating the apical cyst will affect the dental implant, and is there a possibility of recurrence of the apical cyst after the implant if it does not get absorbed? Thank you for your response, Doctor.

Miss Huang, 20~29 year old female. Ask Date: 2021/05/11

Dr. Zeng Guanghui reply Dentistry

A small periapical cyst typically undergoes complete resorption after tooth extraction.
If dental implants are being considered, it is recommended to wait until the extraction site has healed, and then take an X-ray to confirm whether the periapical cyst has been completely resorbed before proceeding with the implant.
Dr.
Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.

Reply Date: 2021/05/11

More Info

The presence of an untreated dental apex cyst, also known as a periapical cyst, can significantly impact future dental implant procedures. When a tooth is extracted, especially in cases where there is an underlying cyst, it is crucial to consider the implications of leaving the cyst untreated.
Firstly, a dental apex cyst is typically a result of chronic inflammation due to an infection at the root of a tooth. This cyst can cause bone loss in the surrounding area, which is critical for the stability and success of a dental implant. If the cyst is not addressed, it may continue to grow, leading to further bone loss and making it more challenging to place an implant in the future. The bone needs to be healthy and of adequate volume to support an implant, and the presence of a cyst can compromise this.

When your dentist mentioned placing collagen to promote healing and waiting for the cyst to resolve before considering an implant, this is a common approach. Collagen can help in the healing process and may facilitate bone regeneration. However, it is essential to monitor the situation closely. If the cyst does not resolve on its own, it may require surgical intervention, such as cystectomy, to remove the cyst before proceeding with an implant.

Regarding the potential for recurrence of the cyst after an implant, it is indeed possible if the cyst was not adequately treated initially. If remnants of the cyst remain or if the underlying cause of the cyst (such as infection) is not addressed, there is a risk that the cyst could recur. This recurrence could lead to complications, including implant failure, as the cyst may again compromise the bone structure needed to support the implant.

In summary, while it is possible to proceed with an implant after leaving a dental apex cyst untreated, it is not without risks. The cyst could hinder the healing process, affect bone density, and potentially lead to complications with the implant. It is crucial to have regular follow-ups with your dentist or an oral surgeon to monitor the situation. If the cyst does not resolve, further treatment may be necessary before considering dental implants.
In conclusion, addressing any dental apex cysts before proceeding with implants is advisable to ensure the best possible outcome. If you have concerns about the cyst or the implant process, discussing these with your dental care provider will provide you with the most tailored and effective treatment plan.

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