| Ideal play (°) | Bracket | Engagement angle (°) | SD | Mean standard error | Significant difference |
---|---|---|---|---|---|---|
SS .016×.016 | 15.40 | STB | 18.63 | 1.42 | 0.82 | S |
2D | 16.55 | 0.74 | 0.43 | S | ||
SS .017×.017 | 6.96 | STB | 8.81 | 0.27 | 0.16 | S |
2D | 7.20 | 0.19 | 0.11 | S | ||
SS .018×.018 | 0.00 | STB | 5.77 | 0.16 | 0.09 | S |
2D | 2.36 | 0.19 | 0.11 | S | ||
SS .016×.022 | 10.80 | STB | 14.64 | 0.03 | 0.02 | S |
2D | 12.09 | 0.47 | 0.27 | S | ||
SS .017×.022 | 5.31 | STB | 7.42 | 0.03 | 0.02 | S |
2D | 6.01 | 0.19 | 0.11 | S | ||
SS .017×.025 | 4.65 | STB | 6.54 | 0.05 | 0.03 | S |
2D | 4.84 | 0.08 | 0.05 | S | ||
SS .018×.022 | 0.00 | STB | 4.86 | 0.12 | 0.07 | S |
2D | 1.23 | 0.19 | 0.11 | S | ||
SS .018×.025 | 0.00 | STB | 4.17 | 0.16 | 0.09 | S |
2D | 2.26 | 0.09 | 0.05 | S | ||
ST SS .016×.022 | 10.80 | STB | 11.30 | 0.06 | 0.03 | S |
2D | 11.30 | 0.40 | 0.23 | S | ||
ST SS .018×.022 | 0.00 | STB | 10.82 | 0.13 | 0.08 | S |
2D | 4.98 | 0.14 | 0.08 | S | ||
TMA .0175×.0175 | 3.32 | STB | 9.59 | 0.87 | 0.50 | S |
2D | 6.71 | 0.69 | 0.40 | S | ||
CuNiTi .016×.016 | 15.40 | STB | 20.83 | 0.25 | 0.14 | S |
2D | 18.59 | 0.88 | 0.51 | S | ||
CuNiTi .017×.017 | 6.96 | STB | 16.36 | 0.58 | 0.33 | S |
2D | 16.40 | 0.76 | 0.44 | S | ||
CuNiTi .018×.018 | 0.00 | STB | 8.37 | 0.46 | 0.26 | S |
 | 2D | 5.47 | 0.74 | 0.43 | S | |
Nitinol .017×.025 | 4.65 | STB | 7.86 | 0.18 | 0.10 | S |
2D | 5.94 | 0.15 | 0.09 | S | ||
NiTi .018×.025 | 0.00 | STB | 14.95 | 0.27 | 0.15 | S |
2D | 3.10 | 0.24 | 0.14 | S |