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  • Research Article
    Micro-CT evaluation of the removal of root fillings using rotary and reciprocating systems supplemented by XP-Endo Finisher, the Self-Adjusting File, or Er,Cr:YSGG laser
    Gülsen Kiraz, Bulem Üreyen Kaya, Mert Ocak, Muhammet Bora Uzuner, Hakan Hamdi Çelik
    Restor Dent Endod 2023;48(4):e36.   Published online October 23, 2023
    DOI: https://doi.org/10.5395/rde.2023.48.e36
    AbstractAbstract PDFPubReaderePub
    Objectives

    This study aimed to compare the effectiveness of a single-file reciprocating system (WaveOne Gold, WOG) and a multi-file rotary system (ProTaper Universal Retreatment, PTUR) in removing canal filling from severely curved canals and to evaluate the possible adjunctive effects of XP-Endo Finisher (XPF), the Self-Adjusting File (SAF), and an erbium, chromium: yttrium, scandium, gallium garnet (Er,Cr:YSGG) laser using micro-computed tomography (μCT).

    Materials and Methods

    Sixty-six curved mandibular molars were divided into 2 groups based on the retreatment technique and then into 3 based on the supplementary method. The residual filling volumes and root canals were evaluated with μCT before and after retreatment, and after the supplementary steps. The data were statistically analyzed with the t-test, Mann-Whitney U test, analysis of covariance, and factorial analysis of variance (p < 0.05).

    Results

    PTUR and WOG showed no significant difference in removing filling materials (p > 0.05). The supplementary techniques were significantly more effective than reciprocating or rotary systems only (p < 0.01). The supplementary steps showed no significant differences in canal filling removal effectiveness (p > 0.05), but XPF showed less dentin reduction than the SAF and Er,Cr:YSGG laser (p < 0.01).

    Conclusions

    The supplementary methods significantly decreased the volume of residual filling materials. XPF caused minimal changes in root canal volume and might be preferred for retreatment in curved root canals. Supplementary approaches after retreatment procedures may improve root canal cleanliness.

    Citations

    Citations to this article as recorded by  
    • Trends in dentomaxillofacial radiology
      Kıvanç Kamburoğlu
      World Journal of Radiology.2025;[Epub]     CrossRef
    • Retrieval of AH Plus Bioceramic and Ceraseal Versus AH Plus in Endodontic Retreatment
      Eurok Shim, Jee Woo Son, Jiyoung Kwon, Hyun-Jung Kim, Ji-Hyun Jang, Seok Woo Chang, Soram Oh
      Journal of Clinical Medicine.2025; 14(6): 1826.     CrossRef
    • Characteristics and Effectiveness of XP‐Endo Files and Systems: A Narrative Review
      Sarah M. Alkahtany, Rana Alfadhel, Aseel AlOmair, Sarah Bin Durayhim, Kee Y. Kum
      International Journal of Dentistry.2024;[Epub]     CrossRef
    • Effect of the filling technique on the filling removal from oval-shaped canals
      Lislaine Valerio, Lisa Yurie Oda, Felipe Andretta Copelli, Clarissa Teles Rodrigues, Everdan Carneiro, Marco Antonio Hungaro Duarte, Bruno Cavalini Cavenago
      Clinical Oral Investigations.2024;[Epub]     CrossRef
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