Abstract
Failure of the endodontic treatment might be due to various reasons like zipping, apical blockade, ledging, debris extrusion, etc. Apical debris extrusion in primary teeth is of major concern as it does not have a proper well-developed apex, that is, mature apex. This study aims to compare and evaluate the apical debris extrusion in primary molars using three different pediatric rotary file system. Thirty freshly extracted teeth primary molars were divided into three experimental groups according to the used file systems as group I-NT Pedo Gold, group II-Pedo Flex, and group III-Kedo-S. Debris extruded during canal shaping were collected in preweighed vials. Each canal was irrigated with 6 mL of saline and 2 mL of sodium hypochlorite. The amount of debris extruded from each tooth was calculated by subtracting the preinstrumentation from the postinstrumentation measurement. Data were analyzed using analysis of variance (ANOVA) and post hoc Tukey tests with α = 0.05. Kedo-S showed statistically significant lesser apical debris extrusion than Pedo Flex and NT Pedo Gold (p-value < 0.001) while comparing Pedo Flex and NT Pedo Gold insignificant difference. All three pediatric rotary file systems extruded debris apically; while Kedo-S can be safely used as a rotary file in pediatric dentistry with minimal apical debris extrusion. An ideal rotary instrument should not extrude debris apically, the lesser the extrusion greater the endodontic treatment success. Kedo-S can be securely used as a rotary file with less apical debris extrusion than the other two rotary systems. Manoharan M, Kowsalya S, Mathian VM, et al. Comparative Evaluation of Apical Debris Extrusion in Primary Molars Using Three Different Pediatric Rotary Systems: An In Vitro Study. Int J Clin Pediatr Dent 2024;17(11):1224-1228.
Published Version
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