Fig. 6
Median values of chromium (Cr) ion release for M, SL, and C brackets under different conditions: pH 1.5 and pH 3 (gastric acid) and pH 7 (artificial saliva), at different time 30 min, 24 h, and 1 month.
Fig. 6 | Scientific Reports
Median values of chromium (Cr) ion release for M, SL, and C brackets under different conditions: pH 1.5 and pH 3 (gastric acid) and pH 7 (artificial saliva), at different time 30 min, 24 h, and 1 month.
