Success Rates of Intentional Replantation for Dental Issues Explained

Success rate of intentional replantation?

Hello Doctor: I would like to ask about the symptoms that persist after microscopic root canal treatment on my lower right second molar (tooth pain, gum pain, and dull toothache).
The doctor suggested intentional replantation.
What is the success rate of intentional replantation? Additionally, my lower right first molar has been extracted, and I currently have a three-unit bridge connecting the small molar and the second molar.
The doctor mentioned that the length ratio of the gum above and below my second molar is close to 1:1, so after removing a portion of the root and performing intentional replantation, the tooth may have some mobility.
In that case, will the replanted tooth be able to withstand the occlusal forces of the bridge? Will it be durable for a long time?

Mr. Wang, 30~39 year old female. Ask Date: 2020/08/13

Dr. Huang Tingfang reply Dentistry

Intentional replantation is a treatment option that can be considered when non-surgical root canal therapy is ineffective.
According to the literature, the success rate ranges from 34% to 93%.
Postoperatively, there may be issues such as mobility, as mentioned by the physician.
It is advisable to discuss this in detail with the surgical specialist.
The lifespan of dentures is significantly related to the condition of the teeth and oral hygiene.
Take care! Wishing you all the best! Sincerely, Dr.
Huang Ting-Fang, Dentistry.

Reply Date: 2020/08/13

More Info

Intentional replantation is a dental procedure that can be considered when conventional root canal treatment fails, and it involves the surgical removal of a tooth, treatment of the root, and then replanting the tooth back into its socket. This approach can be particularly useful in cases where there is persistent pain or infection that does not resolve with standard treatments.
The success rates of intentional replantation can vary widely, ranging from approximately 34% to 93%, depending on several factors including the specific condition of the tooth, the reason for the replantation, and the skill of the dental surgeon. Factors that can influence the success of this procedure include the duration of the tooth being out of the socket, the presence of periodontal disease, and the overall health of the patient.
In your case, where the second molar has undergone micro-endodontic treatment but symptoms persist, the suggestion of intentional replantation may be a viable option. However, it is crucial to have a thorough discussion with your dentist or oral surgeon about the potential risks and benefits, as well as the specific success rates associated with your individual situation.

Regarding the concern about the stability of the replanted tooth, especially since it is part of a bridge with the first molar already extracted, it is important to understand that after replantation, there may be some initial mobility of the tooth. This is particularly true if a portion of the root is removed during the procedure, which can affect the tooth's ability to anchor securely in the bone. The ratio of the gum tissue above and below the tooth, as mentioned by your dentist, plays a role in the overall stability and health of the tooth post-replantation.

As for the ability of the replanted tooth to withstand the forces exerted by the bridge, it largely depends on the healing process and the integration of the tooth back into the surrounding bone and gum tissue. If the tooth does not stabilize adequately, it may not be able to support the bridge effectively, leading to further complications or the need for additional dental work.

In terms of longevity, if the intentional replantation is successful and the tooth heals properly, it can potentially last for many years. However, the long-term prognosis will depend on factors such as oral hygiene, regular dental check-ups, and the overall health of the surrounding tissues.

In conclusion, while intentional replantation can be a successful treatment option for certain dental issues, it is essential to weigh the potential benefits against the risks and to have a comprehensive discussion with your dental care provider. They can provide personalized insights based on your specific dental condition and help you make an informed decision about your treatment options. Regular follow-ups and maintaining good oral hygiene will also be critical in ensuring the longevity of the replanted tooth and the overall success of your dental restoration.

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