Table 2.

Descriptive statistics for radiographical mesurements of B1 and B2 group

Variables		Group B1		Group B2		Statistics	P value
		(n = 165)		(n = 187)
MB (mm)		10.21 ± 1.42		11.65 ± 1.39		3.072	0.002
NC (mm)		15.62 ± 1.29		16.08 ± 1.62		2.921	0.004
BC (mm)		9.81 ± 0.85		10.19 ± 1.05		3.700	0.000
OD (mm)		5.18 ± 0.71		5.31 ± 0.91		1.480	0.139
PE (mm)		8.82 ± 1.19		9.21 ± 1.48		1.316	0.189