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Materials & Method: After taking into account the selection criteria, pulpectomy was carried out on 60 carious mandibular primary molars that were recommended for pulpectomy in kids between the ages of 4 and 8. These teeth were divided into three groups of twenty each and canal preparation was done utilizing different single file systems namely: Group 1: Kedo-S Square pediatric rotary file, Group 2: Kedo S Plus pediatric rotary file and Group 3: WaveOne Gold primary reciprocating file. A stopwatch was used to note down instrumentation time in seconds, Wong-Baker’s scale assessed the intensity of procedural pain and intraoral radiographs were used to evaluate the quality of the obturation. Utilizing the Chi-Square test, One Way ANOVA, and HSD post hoc test, collected data was analysed.
Results: There was no statistically significant difference in mean instrumentation time among the three groups. The procedural pain was least for WaveOne Gold reciprocating file system and there was no statistically significant difference regarding pain for both the Kedo file systems. The quality of obturation was seen to be best for Kedo-S Plus file system followed by Kedo-S Square and WaveOne Gold reciprocating system but this difference was not statistically significant.
Conclusion: The advent of single file systems in pediatric dentistry has contributed to effective behaviour management by aiding in completing the treatment procedures in comparatively lesser time.
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