Comparing XP-Endo® Finisher versus Passive Ultrasonic Irrigation in the Removal of Dentine Sludge
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Abstract
Introduction: Root canal treatment focuses on removing pulp tissue and biofilm; however, the complexity of the canal system, the presence of dentin sludge, and limitations in instrument design sometimes lead to failure of the procedure. Currently, intracanal irrigation plays a fundamental role in the penetration of difficult-to-access spaces, and different protocols have been developed to optimize the results. Objective: To compare XP-Endo® Finisher versus passive ultrasonic irrigation using edta as the final irrigation protocol to remove dentin sludge derived from root canal treatment. Material and methods: In vitro study on 32 lower first molars, the mesial roots were shaped with the Waveone Gold 0.25/07 system (Dentsply®), and irrigation was with 5.25% NaOCl. For the final irrigation protocol, the teeth were randomly divided into four groups: Group 1; without final irrigation. Group 2; irrigation with edta without activation. Group 3; irrigation with edta activated with ultrasound. Group 4; irrigation with edta activated with XP-Endo® Finisher. The instrumented roots were divided longitudinally to observe them through the scanning microscope, and photomicrographs were taken of the dentinal tubules, which were quantified using a scale of three scores, and a new approach of counting dentinal tubules. Both methods were subjected to a statistical analysis of Chi-square (X2). Results: As compared to conventional irrigation, XP-Endo® Finisher showed significant differences in the elimination of the dentinal slime, appreciating a greater number of open dentinal tubules (P<0.05). Regarding the counting methods, only one showed significant differences for XP-Endo® Finisher in the three thirds. Conclusions: None of the methods was able to eliminate the dentin slough layer, however, XP-Endo® Finisher showed greater efficacy in the apical third.
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References
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