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Year : 2021  |  Volume : 11  |  Issue : 1  |  Page : 42-48

Retreatability of bioceramic and GuttaFlow bioseal root canal sealers using ProTaper universal system retreatment files: An Ex vivo study

1 Department of Endodontic, Eastern Riyadh Dental Center, Riyadh, Saudi Arabia
2 Department of Restorative Dentistry, Riyadh Elm University; Quality Assurance and Accreditation Center, Riyadh Elm University, Riyadh, Saudi Arabia

Correspondence Address:
Dr. Yousef Al-Dahman
Department of Endodontic, Qassim Regional Dental Center, P.O. Box: 30254, Buraydah 51477
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sej.sej_173_19

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Introduction: To evaluate the retreatability of Bioceramic and GuttaFlow Bioseal sealers using ProTaper Universal System Retreatment files aided by dental microscope analysis. Materials and Methods: Root canals of forty single-rooted human mandibular premolar teeth were prepared with ProTaper Next rotary system and obturated with single-cone obturation technique (n = 20 each) using EndoSequence Bioceramic root canal sealer (Group 1) and GuttaFlow Bioseal root canal sealer (Group 2). All specimens were retreated with ProTaper Universal Retreatment System files. The working time of retreatment procedure was calculated. Samples were sectioned, and the residual filling remnants were observed under dental operating microscope. Statistical analysis was performed using SPSS software. Results: The least total working time was observed in GuttaFlow Bioseal group (2.35 min). Overall, less residual filling materials was found in Bioceramic sealer group specimens in all root levels compared to GuttaFlow Bioseal group (P = 0.000, 0.022, and 0.000, respectively). Conclusion: The retreatment technique used was incapable of complete removal of filling material within root canal walls.

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