Objectives: The obturation quality of MTA, Biodentine, Total Fill BC root canal sealer (RCS), and warm gutta-percha (WGP) in teeth with simulated internal root resorption (IRR) was evaluated by using micro-computed tomography.
Materials And Methods: Standardized IRR cavities were created using 40 extracted maxillary central incisor teeth and randomly assigned into 4 groups ( = 10). IRR cavities were filled with MTA, Biodentine, Total Fill BC RCS (bulk-fill form) and WGP + Total Fill BC RCS. Percentage of voids between resorptive cavity walls and obturation material (external void), and inside the filling materials (internal voids) were measured.
Results: Total Fill BC sealer in the bulk-fill form presented significantly highest values of external and internal void percentages ( < 0.05). Biodentine showed a significantly lowest external void percentage ( < 0.05). WGP + Total Fill BC RCS presented significantly lower values of internal void percentages than all groups ( < 0.05), except Biodentine ( > 0.05).
Conclusion: None of the filling materials were created void-free obturation in resorption cavities. Biodentine may favor its application in teeth with IRR over Angelus MTA and bulk-fill form of Total Fill BC.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7030960 | PMC |
| http://dx.doi.org/10.5395/rde.2020.45.e5 | DOI Listing |
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