Di̇ş Heki̇mleri̇ni̇n Peri̇api̇kal Radyografi̇ler Ve Koni̇k Işinli Bi̇lgi̇sayarli Tomografi̇ (Cbct) Görüntüleri̇ne Göre Uygulayacaklari Endodonti̇k Tedavi̇ Seçenekleri̇ni̇n Karşilaştirilmasi

Abstract

Aim:Apical extrusion of necrotic tissues to the periapical area may cause postoperative pain and flare-ups and provoke an acute inflammatory response. The purpose of this study was to evaluate the apical debris extrusion after preparing root canals with different single-file Ni-Ti systems. Material and Methods:A total of 45 extracted mandibular molar teeth were selected and the mesial root canals of the specimens were used for this study. The specimens were randomly divided into three groups (n = 15). Group 1: Glide-path preparation was performed using OneG file and the root canals were instrumented with HyFlex EDM (Colténe/Whaledent). Group 2: The root canals were prepared with OneCurve (Micro-Mega) file after creating a glide-path with OneG. Group 3: OneG was used for glide-path preparation before preparing root canals with WaveOne-Gold primary file (Dentsply Maillefer). The root canals were irrigated with 8 ml NaOCl during the preparation procedure. Apically extruded debris and irrigation solution during instrumentation was collected into pre-weighed Eppendorf tubes. The tubes were then stored in an incubator at 68 °C for 5 days for the evaporation of irrigation solution. The amount of extruded debris was calculated by subtracting the pre-instrumentation weight from the post-instrumentation weight of the Eppendorf tubes. The obtained data were analyzed using Kruskal-Wallis Test. Results: The amount of extruded debris was not statistically different among the tested groups (P > 0.05). All tested files caused the extrusion of debris. Conclusion:Under the conditions of this in-vitro study, there was no statistically significant difference among the HyFlex EDM, One-Curve and WaveOne-Gold primary files used with different kinematics and had different thermal treatments. All different single Ni-Ti file systems were associated with apical extrusion of debris.