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July 1, 2026European Oral ResearchOpen Access

The efficacy of different irrigant activation methods in the elimination of bacteria colonizing in dentin tubules

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Authors

TTTamer TaşdemirŞMŞeyba MansuroğluTDTuba Dinçer

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Overview

Ex vivo study investigates irrigation methods for bacteria elimination in extracted teeth, indicating effectiveness differences.

Key Points

  • The study aims to analyze how different irrigant activation systems affect bacterial elimination in dentin tubules.
  • Evaluated five irrigant activation methods: standard needle irrigation, IrriFlex, EDDY, Endoactivator, passive ultrasonic irrigation (PUI).
  • Used sixty extracted human mandibular premolars inoculated with Enterococcus faecalis.
  • Measured penetration depth of dead bacteria using confocal laser scanning microscopy.
  • PUI achieved greater penetration depth of dead bacteria in both the coronal and apical thirds (p<0.05).
  • All methods showed a significant reduction in bacteria compared to control, but no complete disinfection was reached.
  • Standard needle irrigation had the lowest disinfection efficiency among the methods evaluated.

Cite This Study

Taşdemir et al. (2026) studied this question.

synapsesocial.com/papers/6a44aedf5cd2549c8bc43f3fhttps://doi.org/10.26650/eor.20261786885
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