Table 6.

Comparison of Distance Between the Distal Root of the Mandibular Second Molar and the Outer Surface of the Lingual Cortex of the Mandibular Body Among the Three Groups^a

	Distance Measured by Sagittal Line			F	P	Distance Measured by Cuspal Line			F	P
	Hypodivergent (n = 41)	Normodivergent (n = 41)	Hyperdivergent (n = 41)			Hypodivergent (n = 41)	Normodivergent (n = 41)	Hyperdivergent (n = 41)
0-plane	6.80 ± 1.88	5.84 ± 2.02b	4.98 ± 2.27bc	15.970	.000*	10.62 ± 3.52	9.10 ± 3.08b	7.76 ± 3.35bc	15.190	.000*
2-plane	6.46 ± 1.88	5.61 ± 1.97b	4.74 ± 2.10bc	15.466	.000*	9.91 ± 3.47	8.51 ± 3.11b	7.18 ± 3.35bc	13.939	.000*
4-plane	6.17 ± 1.77	5.35 ± 2.04b	4.33 ± 2.05bc	18.224	.000*	9.57 ± 3.49	8.17 ± 3.29b	6.86 ± 3.48bc	12.854	.000*
6-plane	6.10 ± 1.92	5.25 ± 1.95b	4.41 ± 2.02bc	15.230	.000*	9.94 ± 3.89	8.43 ± 3.40b	7.43 ± 3.89bc	9.366	.000*
F	3.725	2.768	2.364			1.223	1.213	0.955
P	.051	.062	.071			.301	.305	.414

^aValues are presented as mean ± standard deviation.

^bSignificant difference with hypodivergent group.

^cSignificant difference with normodivergent group.

^*Statistically significant at P < .05.