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Efficiency and Obturation Quality Outcomes between Kedo-S Rotary Files and Kedo-SH Manual Files Instrumentation
Bharati Dewangan1, Ankita Ukey1, Pratik Surana1
1Department of Pedodontics and Preventive Dentistry, Maitri College of Dentistry and Research Centre, Durg, Chhattisgarh, India.
International Journal of Clinical Pediatric Dentistry
|September 24, 2025
Summary
The Kedo-S rotary file system significantly reduced instrumentation time during primary molar pulpectomy compared to Kedo-SH manual files, with no compromise in obturation quality for pediatric endodontics.
Area of Science:
- Pediatric Dentistry
- Endodontics
- Dental Materials
Background:
- Advancements in pediatric endodontics have introduced new file systems for improved efficacy.
- Rotary systems aim to enhance treatment quality and reduce the need for manual dexterity.
Purpose of the Study:
- To compare the efficiency and obturation quality of Kedo-S rotary files versus Kedo-SH manual files.
- Evaluate instrumentation time and final obturation in primary molar pulpectomy.
Main Methods:
- A randomized study involved 40 children (4-8 years) undergoing pulpectomy on deciduous molars.
- Two groups used Kedo-SH (manual) or Kedo-S (rotary) files.
- Instrumentation time was recorded; obturation quality assessed using Coll and Sadrian criteria.
Main Results:
- The Kedo-S group showed significantly less mean instrumentation time (150.8s) than the Kedo-SH group (207.2s) (p<0.0001).
- No statistically significant difference was found in the quality of root canal obturation between the two groups.
Conclusions:
- Kedo-S rotary files offer a more efficient instrumentation process for primary molar pulpectomy.
- The Kedo-S system provides comparable obturation quality to Kedo-SH manual files, improving treatment efficiency.

