# | Groups | 1-hour (ppb/L) | 7-day (ppb/L) | 30-day (ppb/L) |
---|
Control | SBF | 7.41 (7.90)* | 7.15 (3.68)* | 8.86 (3.49)* |
1 | SS | 35.02 (9.01) | 29.43 (10.10) | 32.48 (4.06) |
2 | MS | 51.22 (10.33) | 33.76 (3.13) | 34.56 (3.30) |
3 | RO | 35.53 (3.68) | 34.10 (3.60) | 33.40 (2.28) |
4 | HCM | 68.10 (29.48) | 54.43 (30.73) | 34.53 (0.38) |
5 | OC | 37.24 (3.48) | 28.80 (6.51) | 29.97 (2.10) |
6 | PTN | 41.20 (3.39) | 46.00 (17.14) | 59.12 (44.90) |
- * Two-way ANOVA followed by Tukey post hoc tests presented statistical significance (p < 0.001). ppb: parts-per-billion. 1 ppb/L = 0.001 milligrams per litre. The group abbreviations are SBF: simulated body fluid, SS; Stainless-steel hand instrument, MS; miniSCOPE NiTi instrument, RO; Rotate NiTi instrument, HCM; HyflexCM NiTi instrument, OC; OneCurve NiTi instrument, PTN; ProTaperNext NiTi instrument. NiTi: nickel-titanium