Özet:

Introduction: The Study aims at comparing the shaping ability of Hyflex-EDM &OneShape rotary Nickel-Titanium files in human extracted teeth with curved canals. Material &Method: Using computer digital image analysis system, pre-instrumentation and post instrumentation radiographs of twenty curved root canals, instrumented using One shape and Hyflex EDM each as per manufacturer’s instructions, were assessed for canal transportation and canal straightening and the statistical analysis of the data thus obtained was carried out using ANalysis Of Variance& Post hoc tests. Results: One shape showed more canal straightening as compared to Hyflex EDM while both maintained canal curvature equivalently Conclusion: It can be concluded that Hyflex EDM maintained canal shape better than One shape, within the limitations of the study.

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