Smile analysis in different facial patterns and its correlation with underlying hard tissues

Progress in Orthodontics

Table 6 Comparison of males between average and vertical facial growth pattern (comparison of groups 1 and 5)

Parameter	Average (n = 25)	Vertical (n = 25)	Difference	t value	p value	Significance
U1 EXP.	8.65 ± 1.04	10.42 ± 1.28	1.77	5.36	0.000	S^***
LL-U1	0.80 ± 0.97	1.82 ± 2.02	1.02	2.28	0.027	S^*
IL GAP	9.71 ± 1.64	12.94 ± 2.79	3.24	4.99	0.000	S^***
IC WIDTH	40.29 ± 2.39	39.80 ± 1.85	0.48	0.79	0.431	NS
TW	53.43 ± 3.88	54.52 ± 4.21	1.10	0.96	0.342	NS
SW	67.39 ± 4.63	65.31 ± 5.23	2.08	1.49	0.143	NS
SI	7.16 ± 1.50	5.49 ± 1.97	1.66	3.36	0.002	S^**
BC_L	13.90 ± 1.54	12.72 ± 2.38	1.17	2.07	0.044	S^*
BC_R	13.66 ± 2.29	12.39 ± 2.17	1.26	2.01	0.049	S^*
PC_L	7.60 ± 2.38	5.51 ± 1.62	2.08	3.61	0.001	S^**
PC_R	6.82 ± 2.15	5.18 ± 1.70	1.63	2.97	0.005	S^**
BC RATIO	0.60 ± 0.052	0.77 ± 0.81	0.175	1.07	0.291	NS
PC RATIO	0.795 ± 0.067	1.24 ± 2.05	0.452	1.10	0.276	NS
U VERT	5.98 ± 1.27	6.81 ± 1.47	0.83	2.14	0.037	S^*
L VERT	11.20 ± 1.03	11.23 ± 1.58	0.036	0.95	0.925	NS

NS p > 0.05: insignificant
^* p < 0.05, significant at 5 % significance level; ^** p < 0.01, significant at 1 % significance level; ^*** p < 0.001, highly significant