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Comparative Evaluation of Removal of Gutta Percha and Bioceramic Sealer Using EdgeFile-XR and ProTaper Universal
Sindhuja Srirama1, Sooriaprakas Chandrasekaran1, Buvaneshwari Arul1
1Department of Conservative Dentistry and Endodontics, Faculty of Dentistry, Meenakshi Academy of Higher Education and Research (MAHER), Meenakshi Ammal Dental College, Chennai, Tamil Nadu, India.
None:
Aim of the study was to compare the removal of gutta-percha and bioceramic sealer using EdgeFile-XR (EF-XR) retreatment file system and PTU-RE files from mesial root from mandibular molars with mild to moderate curvature using Micro Computed Tomography (Micro-CT) imaging. EF-XR is a newly introduced retreatment file for removal of gutta-percha that has not been evaluated before. Sixteen anatomically matched mesial roots of mandibular molars with mild to moderate curvature were allotted into two groups (n = 8), ProTaper Universal Retreatment files (PTU-RE) and EF-XR. Root canal instrumentation and single cone obturation with BioRoot RCS sealer was performed. Following this, retreatment was done. Pre-and post-Micro-CT analysis was performed to determine the volume of remaining obturating material and root dentin removed and statistically analysed. Within the limitations of the present study, it can be concluded that PTU-RE retreatment files are better than EF-XR files for retrieval of gutta-percha and BioRoot RCS sealer.
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