Figure 5 | Scientific Reports

Figure 5

From: Effect of phytic acid on chemical, structural, and mechanical characteristics of nickel–titanium endodontic files

Figure 5

(A–F): SEM images of files after cyclic fatigue testing in different solutions. A: Control, B: NaOCl, C: EDTA, D: IP6, E: EDTA/NaOCl, F: IP6/NaOCl. Magnification ×300 was used for all samples. Dotted area represents crack initiation site. Area 1 represents crack propagation (characterized by elongated striations), while area 2 shows the site of ductile failure and file separation.

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