Figure 1. SEM of stainless-steel control file revealed no evidence of corrosion (1000x).
Table 1. Corrosion current density values of stainless steel files in tested solutions.
Figure 2. SEM of stainless-steel file, which was immersed in 0.2% chlorhexidine gluconate solution, showing pitting with the corrosion products (1000x).
Figure 3. SEM of stainless-steel file, which was immersed in 5.25% NaOCl solution, showing severe corrosion (1000x).
Figure 4. SEM of stainless-steel file, which was immersed in chlorinated soda with KOH, demonstrating general corrosion (1000x).
Figure 5. SEM of stainless-steel file, which was immersed in 17% EDTA solution, demonstrating locally corroded area (1000x).
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