Evaluation Of Root Canal Cleanliness After Re-Root Canal Treatment Using Two Different File System: A Scanning Electron Microscopy Study

Main Article Content

Astha Bramhecha
Pradeep Solete
Ganesh Jeevanandan
Delphine Priscilla Antony S
Srujana Hemmanur
Adimulapu Hima Sandeep

Keywords

Gutta-percha removal, ProTaper Universal, Re-root canal treatment, Scanning electron microscopy, Solite RS3

Abstract

Aim: To evaluate the root canal cleanliness after root canal retreatment with ProTaper Universal and Solite RS rotary file system.
Materials and Methods: Twenty extracted single-rooted premolar teeth were selected. The root canals were enlarged with nickel-titanium (NiTi) rotary files, filled with gutta-percha and sealer, and randomly divided into the two experimental groups. The filling materials were removed with either one of the following file systems: ProTaper Universal or Solite RS. No solvent was used for removal of gutta percha. Teeth were sectioned longitudinal and assessed under the microscope.
Results: Both instrumentation techniques left obturating material in the canal at apical, coronal and middle third. There was no significant difference in both groups in regards to canal cleanliness at all the three levels (p>0.05).
Conclusion: Based on the findings of our in vitro study conducted on mandibular premolars with single roots, we can conclude that both instruments used in the study left filling material inside the root canal. The evaluation of the coronal, middle, and apical thirds did not reveal any significant variations in the remaining material between the instruments or the type of filling material.

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