Comparative assessment of cleaning efficacy of Kedo-SH manual and Kedo-S rotary endodontic files in deciduous molars - an in-vitro study Original Research
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Abstract
Introduction: Preparation of root canals in deciduous molars can be challenging due to their inherent anatomy. Endodontic files were introduced recently for exclusive use in deciduous dentition. Hence, the aim of the present comparative study was to assess the cleaning efficacy of manual and rotary endodontic files in deciduous molars.
Methods and materials: Sixty canals of recently extracted deciduous molars were selected which did not have more than one-third of their root length resorbed. Following working length determination, India ink dye was injected into all the canals. They were arbitrarily allocated into two groups; Group I: Kedo-SH manual files (n=30) and Group II: Kedo-S rotary files (n=30), for the purpose of instrumentation. The root canals were cleared of debris and sections prepared. The sections were examined under a stereomicroscope under 40X magnification for removal of India ink at different thirds and given scores. Data was subjected to statistical analysis using Student t test and ANOVA. Level of significance was 5%.
Results: Both file systems resulted in superior cleaning of the coronal and apical section of the canals. The average scores for coronal and middle sections of the root canals with Kedo-SH manual files (9.5 ± 8.062; 10.75 ± 10.31, respectively) were significantly higher than that of Kedo-S rotary files (5± 6.63; 6.05 ±7.5, respectively) (p<0.05).
Conclusion: Root canals prepared with Kedo-S rotary files showed significant superiorly clean root canals than those prepared using Kedo-SH manual files.
Keywords: Kedo-S, Kedo-SH files, deciduous molars, pulpectomy, root canal instrumentation.
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