Abstract
Objective: Pulpectomy is the conservative treatment approach that retains and preserves the primary tooth in the dental arch in its normal function and non-pathologic state until its exfoliation. Over the years, pulpectomy has been performed using various instrumentation techniques. The aim of this study was to compare the quality of root filing and instrumentation time using Kedo-S files, Reciprocating files and K-files in primary teeth. Material And Methods: A randomized clinical trial was performed on 45 primary molars equally distributed for instrumentation with Kedo-S files, reciprocating files and K-Files. Immediate post-operative digital radiographs were taken to evaluate the quality of root filing and root canal instrumentation time was also recorded. Results: Mean instrumentation time with Kedo-S was 75.6 seconds, reciprocating file was 190.6 seconds and K-file was 95.4 seconds. Highest optimal fill was obtained with Kedo-S file group, highest overfill was obtained with Kedo-S group and highest under fill was obtained with reciprocating file group. Conclusion: Kedo-S rotary system provides better quality of root canal filling in minimum instrumentation time.KEYWORDS Pulpectomy; Primary teeth; Root canal filling; Rotary files.
Highlights
Pulpectomy is the choice of treatment for primary teeth with chronic inflammation or necrosis in the radicular pulp, thereby retaining the primary teeth in the oral cavity until its physiological exfoliation and as an alternative to extraction and space maintenance [1]
The bio mechanical preparation (BMP) of the canals play a major role in determining the success of pulpectomy [2]
A survey conducted among Indian dentists stated that about 50% of them preferred rotary systems for performing pulpectomy and reduction in instrumentation time was the prime reason for their preference [10]
Summary
Pulpectomy is the choice of treatment for primary teeth with chronic inflammation or necrosis in the radicular pulp, thereby retaining the primary teeth in the oral cavity until its physiological exfoliation and as an alternative to extraction and space maintenance [1] It is the procedure involving complete removal of pulp tissue from the canals in primary teeth followed by filling it with a resorbable material. The use of rotary files in primary teeth resulted in more conical shaped root canals and provided considerable dentin removal thereby ensuring adequate root canal cleaning, easy insertion and compaction of the material than those prepared with manual files despite the material used [8,9]. The purpose of this study was to compare the quality of root canal filling and instrumentation time in primary teeth using Kedo-S files, Reciprocating files and K files
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