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August 17, 2025Essentials of DentistryOpen Access

Effect of Different Irrigation Activation Methods on the Dentinal Tubule Penetration of Dyed Sodium Hypochlorite: Rhodamine B vs. Fluorescein Sodium Salt

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TYTurgut Yağmur YalçınSGSıtkı Selçuk Gökyay

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Overview

Observational analysis found no significant differences in penetration of sodium hypochlorite in dentinal tubules using different dyes, indicating irrigation methods may not enhance effectiveness.

Key Points

  • There were no significant differences in sodium hypochlorite penetration with rhodamine B or fluorescein sodium salt, demonstrating comparable effectiveness.
  • Maximum penetration was observed at the 6-mm root sections for both dyes, showing a consistent pattern across irrigation methods used.
  • Assessment used confocal laser scanning microscopy to evaluate penetration into dentinal tubules across multiple sections in extracted teeth.
  • These findings suggest that current irrigation methods do not significantly improve the penetration of sodium hypochlorite compared to traditional techniques.

Cite This Study

Yalçın et al. (2025) studied this question.

synapsesocial.com/papers/68a36a480a429f797332ebdbhttps://doi.org/10.5152/essentdent.2025.25037
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Impact of different activation procedures on sodium hypochlorite penetration into dentinal tubules after endodontic retreatment via confocal laser scanning microscopy2024 · 4 citations
  2. 2The effect of different irrigation activation methods on the penetration of the irrigation solution into the dentinal tubules in teeth with calcium hydroxide applied and oval‐shaped canals: Confocal laser scanning microscope analysis2024 · 4 citations
  3. 3Penetration Depth of 5.25% Sodium Hypochlorite Solution Using Different Irrigation Needles and Activation Systems: An In Vitro Radiographic Assessment2024
  4. 4Influence of passive ultrasonic irrigation cycles on the penetration depth of sodium hypochlorite into root dentin2025
  5. 5The efficacy of different irrigant activation methods in the elimination of bacteria colonizing in dentin tubules2026