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  Indian J Med Microbiol
 

Figure 1: Mean NCF ± standard deviations for each instrument type in each canal. The most diffi cult curvature (canal 1) generated the least NCF in all the instruments compared; the easiest canal (canal 4) showed the highest NCF in all instruments (OS: OneShape, R25: Reciproc R25, WO: WaveOne Primary, PT: Protaper). NCF: Number of cycles to fracture

Figure 1: Mean NCF ± standard deviations for each instrument type in each canal. The most diffi cult curvature (canal 1) generated the least NCF in all the instruments compared; the easiest canal (canal 4) showed the highest NCF in all instruments (OS: OneShape, R25: Reciproc R25, WO: WaveOne Primary, PT: Protaper). NCF: Number of cycles to fracture