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ORIGINAL ARTICLE
Year : 2021  |  Volume : 12  |  Issue : 1  |  Page : 14-20

Comparative assessment of canal transportation, dentin loss, and remaining root filling material by different retreatment files – An In vitro cross-sectional study


1 Department of Conservative Dentistry and Endodontics, Pacific Dental College and Hospital, Udaipur, Rajasthan, India
2 Department of Conservative Dentistry and Endodontics, PMNM Dental College and Hospital, Navanagar, Bagalkot, Karnataka, India

Correspondence Address:
Dr. Afzal Ali
Reder, Department of Conservative Dentistry and Endodontics, Pacific Dental College and Hospital, Udaipur - 313 024, Rajasthan
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ccd.ccd_31_20

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Aim: The purpose of this study was to evaluate the centering ability, canal transportation and efficacy of re-treatment rotary and hand files in removing Gutta Percha from root canals using Cone Beam Computed Tomography(CBCT). Materials and Methods: Sixty extracted human maxillary anteriors were obturated and randomly divided into three groups. Root fillings were removed with ProTaper Universal retreatment system, R-Endo system, and Hedstrom files. CBCT scans were taken. Statistical Analysis and Results: The data were analyzed using the Statistical Package for the Social Sciences (SPSS 15.0, IBM). The mean and standard deviation among the groups was calculated by one-way analysis of variance, Kruskal–Wallis, and Mann– Whitney U-tests, and the comparison among the various groups was done by post hoc Tukey's test. A statistically significant amount of remaining root canal filling material and canal transportation was noted (P < 0.05). Conclusion: No system completely removed the root filling material from root canals. Manual instrumentation resulted in more dentin loss and canal transportation than rotary file system.


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