Journal
JOURNAL OF ENDODONTICS
Volume 36, Issue 5, Pages 790-792Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.joen.2010.02.009
Keywords
Endodontic epidemiology; endodontic outcome; endodontic prognosis; endodontic retreatment; tooth retention; tooth survival
Categories
Funding
- International Federation of Endodontic Associations (IEFA)
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Introduction: Teeth undergoing initial endodontic therapy have a very high survival rate. Some teeth that continue to show signs of pathosis after the initial therapy will require nonsurgical (orthograde) retreatment. Outcome assessment of endodontic retreatment is crucial for appropriate case selection and treatment planning. However, reports on outcomes of orthograde endodontic retreatment performed by endodontists are limited in number, and the reported data vary. In this study, outcomes of orthograde endodontic retreatment performed on 4744 teeth were assessed during a period of 5 years. Methods: Data were obtained from retreatments that were performed by endodontists participating in the Delta Dental Insurance plan that insures approximately 15 million individuals in the USA. Results: Overall, 89% of teeth were retained in the oral cavity 5 years after the endodontic retreatment. Four percent of all teeth underwent apical surgery that occurred mostly within 2 years from completion of orthograde retreatment. Eleven percent of teeth were extracted at the end of the 5-year observation period. Conclusions: It appears that orthograde endodontic retreatment yields high incidence of tooth retention after 5 years. (J Endod 2010;36:790-792)
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