Measurement of Remaining Root Canal Filling Materials after Retreatment of Single Rooted Teeth Obturated with Two Techniques by Two Automated File Systems

Authors

1 Dentist at Ministry of Health, Egypt

2 Professor of Endodontic department Faculty of Dental Medicine for Girls Al-Azhar University, Cairo, Egypt

3 Lecturer of Endodontic department Faculty of Dental Medicine for Girls Al-Azhar University, Cairo, Egypt

Abstract

Purpose: Evaluate the efficacy of both XP-endo retreatment system versus Reciporc blue file system in retreatment of single-rooted teeth obturated with single cone endodontic obturation technique and warm vertical compaction technique Material and methods: Thirty-two (32) extracted single rooted teeth were prepared with ProTaper universal rotary files till file #F3 then randomly divided into 2 equal groups: I and II (16 each) according to type of obturation technique used with bioceramic sealer (Neosealer) in both, Group I: obturated with single cone technique and Group II: obturated with warm vertical compaction technique. Obturated teeth stored in saline solution 0.09% for 30 days then each group sub-divided into subgroups: A, B (8 each) according to type of automated system used in retreatment preparation XP-endo retreatment, rotation file system versus Reciporc blue. All samples were split longitudinally. The residual obturating material was evaluated by software analysis of high-resolution photographic pictures of longitudinal sections of samples. Results: Statistical analysis showed significant difference (P < 0.05) between each two compared subgroups where the less amount of residual sealer was in Reciproc Blue subgroup (IB) and XP-endo R subgroup (IIA). Conclusion: Within the limitations of this invitro study, Reciporc blue was more effective than XP-endo Retreatment in retreatability of bioceramic with single cone technique while XP-endo Retreatment was more effective than Reciporc blue in retreatability of bioceramic sealer in single rooted teeth obturated with warm vertical compaction technique. Still not rotation or reciprocating motion enable to completely remove of gutta percha and bioceramic sealer.

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