The Effect of Changes in Lower Incisor Inclination on Gingival Recession

Table 2

Characteristics of the inclination groups.

	Retroclination		Stable Position		Proclination
	() (: 32)		() (: 13)		() (: 64)		value	Paired differences
	Mean	Std. deviation	Mean	Std. deviation	Mean	Std. deviation
Age at Tb	14.20	3.67	12.59	1.49	14.58	4.30	0.192	NS
Age at Ta	15.96	3.71	14.35	1.42	16.39	4.23	0.211	NS
Treatment time (Tb to Ta)	1.76	0.53	1.77	0.91	1.81	0.64	0.911	NS
								value
Inc at Tb	96.72	6.51	97.23	4.89	90.42	5.48	0.000	NS	0.000	0.000
Inc at Ta	92.63	6.20	97.69	4.96	96.23	5.72	0.006	0.024	0.013	NS
Inc (Tb to Ta)	−4.09	2.75	0.46	0.52	5.81	3.35	0.000	0.000	0.000	0.000

NS: not significant, , and .
One-way ANOVA, post hoc Tukey and Kruskal-Wallis test.