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<p>This study compared conventional needle irrigation (CNI), shock wave–enhanced emission photoacoustic streaming (SWEEPS), EDDY sonic-powered irrigation, and the XP-endo Finisher for organic tissue removal in simulated internal root resorption (IRR) cavities using 2.5% and 5% NaOCl. One hundred and twenty single-rooted mandibular first premolars were instrumented, split longitudinally, and standardized semicircular IRR cavities were prepared in the canal walls. Bovine muscle tissue samples were weighed and adapted into the cavities. The reassembled root segments were divided into three irrigant groups (distilled water, 2.5% NaOCl, or 5% NaOCl) and four activation subgroups (CNI, SWEEPS, EDDY, and XP-endo Finisher) (<i>n</i> = 10 per group). A total of 7 mL of irrigant (3 mL NaOCl + 1 mL EDTA + 3 mL NaOCl) was applied with a total activation time of 2&#xa0;min, the roots were disassembled, and tissue dissolution was assessed by calculating the difference between the initial and final tissue weights. The data were analyzed using Kruskal-Wallis and Mann-Whitney U tests with Bonferroni Correction. Under laboratory conditions, the use of SWEEPS and XP-endo Finisher with 2.5% and 5% NaOCl resulted in higher tissue weight loss compared to CNI and EDDY (<i>p</i> &lt; 0.001), with no significant difference between them (<i>p</i> &gt; 0.05). No significant difference was observed between 2.5% and 5% NaOCl, with or without activation methods (<i>p</i> &gt; 0.05). Complete removal of organic tissue could not be achieved with any of the techniques. SWEEPS technology and XP-endo Finisher demonstrated higher efficiency in removing organic tissue from IRR cavities compared with the CNI and EDDY systems.</p>

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Effect of SWEEPS, EDDY, and XP‑endo finisher on organic tissue removal from simulated internal root resorption cavities using different concentrations of sodium hypochlorite

  • 期刊论文

  • 发表日期：

    2025年12月16日

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  • Dilek Hancerliogullari,
  • Tansu Merve Besparmak,
  • Eray Ceylanoglu,
  • Gamze Ebrar Nalbant,
  • Ali Turkyilmaz,
  • Ali Erdemir

摘要

This study compared conventional needle irrigation (CNI), shock wave–enhanced emission photoacoustic streaming (SWEEPS), EDDY sonic-powered irrigation, and the XP-endo Finisher for organic tissue removal in simulated internal root resorption (IRR) cavities using 2.5% and 5% NaOCl. One hundred and twenty single-rooted mandibular first premolars were instrumented, split longitudinally, and standardized semicircular IRR cavities were prepared in the canal walls. Bovine muscle tissue samples were weighed and adapted into the cavities. The reassembled root segments were divided into three irrigant groups (distilled water, 2.5% NaOCl, or 5% NaOCl) and four activation subgroups (CNI, SWEEPS, EDDY, and XP-endo Finisher) (n = 10 per group). A total of 7 mL of irrigant (3 mL NaOCl + 1 mL EDTA + 3 mL NaOCl) was applied with a total activation time of 2 min, the roots were disassembled, and tissue dissolution was assessed by calculating the difference between the initial and final tissue weights. The data were analyzed using Kruskal-Wallis and Mann-Whitney U tests with Bonferroni Correction. Under laboratory conditions, the use of SWEEPS and XP-endo Finisher with 2.5% and 5% NaOCl resulted in higher tissue weight loss compared to CNI and EDDY (p < 0.001), with no significant difference between them (p > 0.05). No significant difference was observed between 2.5% and 5% NaOCl, with or without activation methods (p > 0.05). Complete removal of organic tissue could not be achieved with any of the techniques. SWEEPS technology and XP-endo Finisher demonstrated higher efficiency in removing organic tissue from IRR cavities compared with the CNI and EDDY systems.