Table 4.

Three-way ANOVA (displacement in the mesiodistal direction [ y -axis])

Source	Sum of squares	df	Mean squared	F value	p value
Contact model
A: Observed area	116.630	1	116.630	197.889	0.005**
B: Dental formula	109.456	2	54.728	171.628	0.000**
C: Loading points	2.544	2	1.272	10.139	0.027*
Fixation model
A: Observed area	26.825	1	26.825	695.121	0.001**
B: Dental formula	48.534	2	24.267	323.554	0.000**
C: Loading points	0.406	2	0.203	1.945	0.257

*p < 0.05, **p < 0.01.