Torque efficiency of square and rectangular archwires into 0.018 and 0.022 in. conventional brackets

Progress in Orthodontics

Table 2 ANOVA results for the effect of wire type on the generated moments on the central incisor for bracket slot size 0.018 in.

Number of observations	30		R-squared	0.9921
Root MSE	0.48		Adj R-squared	0.9915
Source	Partial SS	Df	MS	F	Prob > F
Model	784.50	2	392.25	1689.13	<0.001
Wire	784.50	2	392.25	1689.13	<0.001
Residual	6.27	27	0.23
Total	790.77	29	27.27

ANOVA analysis of variance, MSE mean square of the error, SS sum of squares, Df degrees of freedom, MS mean square