E-ISSN 2548-0839
Volume : 9 Issue : 3 Year : 2024

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Journal Citation Reports (Clarivate, 2024)(Dentistry, Oral Surgery & Medicine (Science))
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Evaluation of Dentine Structure Loss after Separated File Retrieval by Three Different Techniques: An Ex-vivo Study [Eur Endod J]
Eur Endod J. 2023; 8(3): 225-230 | DOI: 10.14744/eej.2023.37929

Evaluation of Dentine Structure Loss after Separated File Retrieval by Three Different Techniques: An Ex-vivo Study

Mohamed Ashraf Abdeen1, Gianluca Plotino2, Ehab El-sayed Hassanien3, Mohammed Turky4
1Department of Endodontics, Faculty of Dentistry, Assuit University, Assuit, Egypt
2Private Practice, Rome, Italy
3Department of Endodontics, Faculty of Dentistry, El Gallala University, Suez, Egypt; Department of Endodontics, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
4Department of Endodontics, Faculty of Dentistry, Minia University, Minia, Egypt

Objective: To evaluate the success rate of retrieving separated instrument, the root canal volume changes using cone-beam computed tomography and the retrieval time using Ruddle's technique, Terauchi file retrieval kit (TFRK) and Endo Rescue kit.
Methods: Sixty human mandibular first molars were selected, and a 4-mm portion of #25/.04 rotary files were separated in the middle third of moderately curved mesio-buccal canals. Teeth were randomly assigned into three groups (n=20): R group, in which separated files were retrieved according to Ruddle's technique; T group, in which separated files were retrieved using TFRK and E group, in which separated files were retrieved using Endo Rescue kit. Values were analyzed using IBM SPSS. Results presented as mean±standard deviation and 95% confidence interval for the root canal volume and time and frequency (%) for success rate. Comparisons of differences in time, canal volume and success rate between groups were assessed.
Results: Retrieval was successful in R and T groups (70% and 80% respectively) without any significant difference between them (p=0.715), while E group hadn’t any successful samples (0.0%) with significant difference compared to R and T groups (p<0.001, p<0.001). E group showed the highest increase in canal volume followed by R group, while T group exhibited the lowest increase in canal volume. There was no significant difference in the mean retrieval time between R and T groups (p=0.815).
Conclusion: TFRK provides a more conservative way for retrieval of separated instrument from the middle third of moderately curved canals. (EEJ-2023-01-01)

Keywords: Broken instrument, cone-beam computed tomography, dentine loss, instrument retrieval, ultrasonics

Mohamed Ashraf Abdeen, Gianluca Plotino, Ehab El-sayed Hassanien, Mohammed Turky. Evaluation of Dentine Structure Loss after Separated File Retrieval by Three Different Techniques: An Ex-vivo Study. Eur Endod J. 2023; 8(3): 225-230

Corresponding Author: Mohamed Ashraf Abdeen
Manuscript Language: English
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