Table 6.

Pearson Correlation Coefficients Between Cephalometric Measurements and Gingival Thickness and Keratinized Gingival Width for Mandibular Anterior Teeth^a

Mandibular Dental Arch	Gingival Thickness						Keratinized Gingival Width
	31	32	33	41	42	43	31	32	33	41	42	43
1-NB, mm	0.099	−0.154	−0.037	−0.112	−0.014	0.049	0.225	−0.086	0.111	0.298*	0.115	0.100
1-NB, °	0.116	−0.002	0.020	−0.032	0.034	0.053	0.186	−0.121	0.125	0.295*	0.125	0.030
IMPA, °	0.071	−0.030	0.008	−0.033	0.026	0.091	0.174	−0.119	0.041	0.297*	0.114	−0.001
Gingival thickness
31	1	0.396**	0.526**	0.540**	0.415**	0.470**	0.174	0.178	0.107	0.078	0.116	0.139
32		1	0.594**	0.399**	0.369**	0.446**	−0.088	0.109	−0.053	−0.008	−0.158	0.028
33			1	0.579**	0.461**	0.641**	0.006	0.111	0.174	−0.008	−0.095	0.089
41				1	0.551**	0.479**	−0.093	0.017	0.149	−0.081	0.019	−0.131
42					1	0.314*	0.062	0.029	0.117	0.015	0.155	0.213
43						1	−0.007	−0.004	−0.005	−0.057	−0.095	0.122

^aTooth numbering according to the FDI system.

^*P < .05; ** P < .01; *** P < .001.