Fig. 2From: Nickel ion release and surface analyses on instrument fragments fractured beyond the apex: a laboratory investigationEDX spectra of the representative areas of control (with corresponding SEM micrographs) with no immersion. A; Stainless-steel hand instrument, B; miniSCOPE NiTi instrument, C; Rotate NiTi instrument, D; HyflexCM NiTi instrument, E; OneCurve NiTi instrument, F; ProTaperNext NiTi instrument. NiTi: nickel-titaniumBack to article page