Relationship between vertical facial patterns and dental arch form in class II malocclusion

Progress in Orthodontics

Table 3 Variance analysis

		Sum of squares	df	Mean square	F	Sig.
Mandible
Ang. 1	Between groups	675.944	2	337.972	3.682	0.030
	Within groups	6,424.741	70	91.782
	Total	7,100.685	72
Ang. 2R	Between groups	301.021	2	150.510	3.910	0.025
	Within groups	2,694.240	70	38.489
	Total	2,995.260	72
Ang. 2L	Between groups	223.268	2	111.634	1.839	0.167
	Within groups	4,249.745	70	60.711
	Total	4,473.014	72
Ang. 3R	Between groups	51.033	2	25.516	1.144	0.324
	Within groups	1,560.638	70	22.295
	Total	1,611.671	72
Ang. 3L	Between groups	0.384	2	0.192	0.008	0.992
	Within groups	1,613.507	70	23.050
	Total	1,613.890	72
Intercanine and intermolar distance ratio	Between groups	0.002	2	0.001	0.310	0.734
	Within groups	0.199	70	0.003
	Total	0.201	72
Maxilla
Ang. 1	Between groups	586.772	2	293.386	3.294	0.043
	Within groups	6,234.721	70	89.067
	Total	6,821.493	72
Ang. 2R	Between groups	122.683	2	61.342	1.846	0.200
	Within groups	2,325.837	70	33.226
	Total	2,428.521	72
Ang. 2L	Between groups	112.911	2	56.455	1.416	0.250
	Within groups	2,790.212	70	39.860
	Total	2,903.123	72
Ang. 3R	Between groups	7.383	2	3.692	0.193	0.820
	Within groups	1,336.781	70	19.097
	Total	1,344.164	72
Ang. 3L	Between groups	17.690	2	8.845	0.424	0.650
	Within groups	1,458.638	70	20.838
	Total	1,476.329	72
Intercanine and intermolar distance ratio	Between groups	0.061	2	0.031	9.461	0.000
Intercanine and intermolar distance ratio	Within groups	0.227	70	0.003
	Total	0.288	72