EFFICACY OF ONESHAPE, NEONITI A1 AND PROTAPER IN REMOVAL OF CALCIUM HYDROXIDE FROM THE ROOT CANAL SYSTEM
DOI:
https://doi.org/10.32461/2226-3209.3.2018.178835Анотація
Abstract. Background and Objectives: Remnants of calcium hydroxide (CH) used as a medicament in the root canal system can interfere with the function of sealers and compromise the success of treatment. This study aimed to compare the efficacy of One Shape, Neoniti A1 and Pro Taper rotary files in elimination of CH remnants from the root canal system. Materials and Methods: In this vitro, experimental study, the root canals of 26 mandibular second premolars were instrumented with Pro Taper rotary system to F3. CH was applied in the canals. Twenty teeth were randomly selected for the use of three rotary file systems (rinsed and used again for all three file systems) while 6 teeth served as controls. F2 (25/.07) file of Pro Taper Universal, 25/.08 file of One Shape and 25/.08 file of Neoniti A1 were used to remove CH from the root canal system. The teeth were then longitudinally split in half. Digital images were obtained of each half and the CH remnants were scored under a stereomicroscope at x40 magnification. Data were analyzed using ANOVA, the Kruskal-Wallis test and the Mann-Whitney test. Results: Evaluation of the apical, middle and coronal thirds revealed a significant difference among the groups (P<0.05). Nepniti A1 and One Shape had similar efficacy in the coronal and apical thirds superior to that of Pro Taper. The efficacy of all three systems was the same in the middle third. Conclusion: None of the files completely eliminated CH but Neoniti A1 and One Shape had significantly higher efficacy for this purpose.
Keywords: Calcium Hydroxide; Pro Taper; One Shape; Neoniti A1
Посилання
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