Research Article

A Comparison of the Ligation Torque Expression of a Ribbonwise Bracket–Archwire Combination and a Conventional Combination: A Primary Study

Table 3

Comparison of the linear equations, moment, and angle in each group for different bracket types.

ArchwireConventional bracketNew ribbon bracket-value
Linear equationR SquareLinear equationR square

0.017 × 0.025 inch NiTiY = 0.7098 X − 11.780.9939Y = 0.5198 X + 1.1260.9905<0.0001
0.017 × 0.025 inch TMAY = 1.344 X − 19.60.9988Y = 0.9872 X + 2.4480.9952<0.0001
0.017 × 0.025 inch SSY = 2.251 X − 38.010.9973Y = 1.817 X + 0.36870.9986<0.0001
0.019 × 0.025 inch NiTiY = 1.3 X − 15.730.9923Y = 0.8215 X + 2.130.9898<0.0001
0.019 × 0.025 inch TMAY = 1.482 X − 13.80.9984Y = 1.118 X + 2.3210.9937<0.0001
0.019 × 0.025 inch SSY = 2.414 X − 17.960.9970Y = 2.148 X + 0.15390.9990<0.0001