SP-2 Long-Term Outcome and Improved Procedure of Intentional Replantation

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CE: 0.75

Course Description: 

Intentional Replantation is an indispensable procedure that can be applied lastly for tooth preservation in situations where non-surgical endodontic treatment and apical surgery are unfeasible. However, there are many practitioners who are afraid of the outcome of the procedure, because it accompanies the extraction process and we have few studies that predict the prognosis. This lecture presents 10 year-outcomes of intentional replantation with contemporary technique. The success rate by strict criteria was 77%. If ankylosis is not regarded as a failure, the success rate will rise to 85%. External root resorption occurred in just 3% of all the cases and mostly due to cervical trauma during extraction process. This low incidence rate is thanks to proper case selection and good retro-filling materials. On the other hand, recurred periapical radiolucency was found in 5% cases, which accompany MTA wash-out. Less traumatic extraction will reduce external root resorption and use of fast-setting MTA will prevent from wash-out. This lecture also shares the method for less-traumatic extraction based on the results of finite element analysis.

At the conclusion, participants should be able to:

  • Determine the indication and contraindication for intentional replantation.
  • Describe the main reason for failure and the solution.
  • Perform less-traumatic extraction for intentional replantation.


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7 Questions
5 Questions  |  Unlimited attempts  |  4/5 points to pass
5 Questions  |  Unlimited attempts  |  4/5 points to pass
0.75 CE credits  |  Certificate available
0.75 CE credits  |  Certificate available

Sin-Yeon Cho, D.D.S., PhD

I received a bachelor's and doctor's degree in dentistry from Yonsei University School of Dentistry. I have been trained in endodontics at Yonsei University Dental Hospital and qualified as a endodontic specialist by the government. I am working at National Health Insurance Ilsan Hospital as a clinical professor and researcher.

Sin-Yeon Cho, D.D.S., PhD

I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.