Özet:

Objective: The primary aim of the current study was to compare the centering ability and transportation of the Reciproc Blue system in curved root canals with and without prior glide path preparation, using cone beam computed tomography (CBCT). Additionally, the amount of time required for root canal instrumentation was also compared. Materials and Methods: Forty root canals of maxillary molar teeth with curvature angles 30°-40° were included in this in vitro study. All root canals were divided randomly into 2 experimental groups (n=20) as follows: group 1: the root canals were instrumented with a Reciproc Blue R25 instrument, and group 2: glide path was prepared with path-file and the root canals were instrumented with a Reciproc Blue R25 instrument. Working times with Reciproc Blue files were recorded for each group. All teeth were scanned with CBCT before and after instrumentation to evaluate the centering ability and transportation. The data were statistically analyzed using the Shapiro-Wilk test and t-test (p<0.05). Results: No significant difference was observed between the tested groups regarding the centering ability and transportation (p>0.05). The time required for instrumentation using Reciproc Blue after glide path preparation was statistically less than that without the glide path preparation group (p<0.001). Conclusion: In curved root canals, glide path preparation before instrumentation with the Reciproc Blue file had no effect on the centering ability and transportation. However, the amount of time required for root canal instrumentation with the Reciproc Blue files was significantly decreased when the files were used after the preparation of the glide path by path-files.

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