Quantitative Assessment of Apically Extruded Debris During Retreatment Procedures Using Three Nickel-Titanium Rotary Systems: An In Vitro Comparative Study
2024

Comparing Debris Extrusion in Endodontic Retreatment

Sample size: 30 publication Evidence: moderate

Author Information

Author(s): Generali Luigi, Veneri Federica, Cavani Francesco, Checchi Vittorio, Bertoldi Carlo, Ingrosso Angela Lucia, La Rosa Giusy Rita Maria, PedullĂ  Eugenio, Tawse-Smith Andrew

Primary Institution: University of Modena and Reggio Emilia

Hypothesis

There would be no significant differences in the amount of debris extruded among the three NiTi systems.

Conclusion

All the retreatment systems tested were associated with apical extrusion of debris in vitro, with no significant quantitative differences between them.

Supporting Evidence

  • Hyflex Remover produced the highest amount of extruded debris, followed by VDW.Rotate Retreatment and ProTaper Universal Retreatment.
  • The differences in debris extrusion among the systems were not statistically significant.
  • All systems caused apical extrusion of debris, confirming the consensus that no system can prevent it.

Takeaway

This study looked at how much debris comes out of teeth during a specific dental procedure, and found that different tools don't really change how much debris is produced.

Methodology

Thirty extracted permanent human teeth were prepared and randomized into three retreatment groups, and the amount of apically extruded debris was measured after using different rotary systems.

Potential Biases

The operator performing the procedures was not blinded to the system used, which could introduce bias.

Limitations

The study's in vitro design may not fully replicate clinical conditions, and there were potential contamination risks during sample collection.

Participant Demographics

Thirty single-root, permanent human teeth were selected from an anonymized biobank.

Statistical Information

Statistical Significance

p > 0.05

Digital Object Identifier (DOI)

10.3390/dj12120384

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