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Systematic Review

Analysis of Endodontic Successes and Failures in the Removal of Fractured Endodontic Instruments during Retreatment: A Systematic Review, Meta-Analysis, and Trial Sequential Analysis

by
Mario Dioguardi
1,*,
Corrado Dello Russo
1,
Filippo Scarano
1,
Fariba Esperouz
1,
Andrea Ballini
1,
Diego Sovereto
1,
Mario Alovisi
2,
Angelo Martella
3 and
Lorenzo Lo Muzio
1
1
Department of Clinical and Experimental Medicine, University of Foggia, Via Rovelli 50, 71122 Foggia, Italy
2
Department of Surgical Sciences, Dental School, University of Turin, 10127 Turin, Italy
3
DataLab, Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy
*
Author to whom correspondence should be addressed.
Healthcare 2024, 12(14), 1390; https://doi.org/10.3390/healthcare12141390
Submission received: 7 June 2024 / Revised: 6 July 2024 / Accepted: 8 July 2024 / Published: 11 July 2024
(This article belongs to the Special Issue Modern Dentistry: New Discoveries and Patient-Related Approaches)
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Abstract

This study presents a systematic review with meta-analysis to evaluate the success rates of endodontic retreatments in teeth where separated instruments are located within the roots. The search and selection of studies were conducted across two databases, SCOPUS and PubMed, as well as the Cochrane Library registry, yielding a total of 1620 records. Following the selection process, 11 studies were included in the systematic review. Overall, out of 1133 retreated teeth, there were 172 failures in instrument removal and 55 perforations. The meta-analysis results indicate that failures are more frequent when instruments are located in the apical third, with a failure rate of 21%, compared to an 8.8% failure rate in the middle/coronal third. The anatomy of the root canals, particularly the location of the separated instruments, significantly influences the success rates.
Keywords: endodontic; fractured; retreatment; ultrasonic; separated; broken; failure endodontic; instrument endodontic endodontic; fractured; retreatment; ultrasonic; separated; broken; failure endodontic; instrument endodontic

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MDPI and ACS Style

Dioguardi, M.; Dello Russo, C.; Scarano, F.; Esperouz, F.; Ballini, A.; Sovereto, D.; Alovisi, M.; Martella, A.; Lo Muzio, L. Analysis of Endodontic Successes and Failures in the Removal of Fractured Endodontic Instruments during Retreatment: A Systematic Review, Meta-Analysis, and Trial Sequential Analysis. Healthcare 2024, 12, 1390. https://doi.org/10.3390/healthcare12141390

AMA Style

Dioguardi M, Dello Russo C, Scarano F, Esperouz F, Ballini A, Sovereto D, Alovisi M, Martella A, Lo Muzio L. Analysis of Endodontic Successes and Failures in the Removal of Fractured Endodontic Instruments during Retreatment: A Systematic Review, Meta-Analysis, and Trial Sequential Analysis. Healthcare. 2024; 12(14):1390. https://doi.org/10.3390/healthcare12141390

Chicago/Turabian Style

Dioguardi, Mario, Corrado Dello Russo, Filippo Scarano, Fariba Esperouz, Andrea Ballini, Diego Sovereto, Mario Alovisi, Angelo Martella, and Lorenzo Lo Muzio. 2024. "Analysis of Endodontic Successes and Failures in the Removal of Fractured Endodontic Instruments during Retreatment: A Systematic Review, Meta-Analysis, and Trial Sequential Analysis" Healthcare 12, no. 14: 1390. https://doi.org/10.3390/healthcare12141390

APA Style

Dioguardi, M., Dello Russo, C., Scarano, F., Esperouz, F., Ballini, A., Sovereto, D., Alovisi, M., Martella, A., & Lo Muzio, L. (2024). Analysis of Endodontic Successes and Failures in the Removal of Fractured Endodontic Instruments during Retreatment: A Systematic Review, Meta-Analysis, and Trial Sequential Analysis. Healthcare, 12(14), 1390. https://doi.org/10.3390/healthcare12141390

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