@article{article_1669314, title={Removal of AH Plus Bioceramic Sealer from Artificial Internal Resorption Cavities Using Different Irrigation Activation Systems}, journal={Cumhuriyet Dental Journal}, volume={28}, pages={383–389}, year={2025}, DOI={10.7126/cumudj.1669314}, url={https://izlik.org/JA92GY23XA}, author={Büker, Mine and Sümbüllü, Meltem and Şimşek, Emine and Sezer, Fadime Sena}, keywords={AH Plus Bioceramic, internal resorption, irrigation activation, XP Finisher R.}, abstract={Objectives: This study aimed to evaluate the effectiveness of XP-Endo Finisher (XPF), XP-Endo Finisher R (XPF-R), passive ultrasonic irrigation (PUI), and conventional needle irrigation (CNI) systems in removing AH Plus Bioceramic Sealer from artificial internal root resorption (IRR) cavities. Materials and methods: A total of 52 mandibular premolar with single oval canals were selected. After instrumentation, each tooth was sectioned longitudinally, and an artificial resorption cavity was created to a depth of 0.8 mm and a diameter of 1.6 mm, at 8 mm from the apex. These cavities were filled with sealer, and the root halves were then reassembled. The specimens were randomly allocated into four groups (n = 13) based on the activation methods. The residual sealer was assessed under X20 magnification using a 4-grade scoring system. Results: None of the methods completely removed the sealer from the artificial resorption cavities. XPF, XPF-R, and PUI showed significantly greater efficacy in sealer removal compared to CNI (P < 0.001), with no statistically significant differences between XPF, XPF-R and PUI. Although statistical differences were not observed, the XPF-R system demonstrated a higher percentage of ‘Score 0’ outcomes compared to XPF and PUI. Conclusions: XPF, XPF-R and PUI removed more sealer from artificial IRR cavities compared with CNI. These findings indicate that XPF-R is an effective additional activation system in IRR cavities filled with bioceramic sealers.}, number={3}