Table 3.

Impact of gender on the variations of the mandibular canal and the mental foramen.

		Right			Left
		Male mm	Female mm	P-value*	Male mm	Female mm	P-value
Variation of the mandibular canal and mental foramen	P0	9.85; 4.2	8.09; 4.1	0.100	9.09; 3.8	8.57; 3.6	0.469
	P1	6.66; 2.2	6.92; 2.0	0.136	7.07; 2.5	6.95; 2.2	0.495
	P2	4.41; 3.1	3.20; 2.7	0.098	4.55; 3.0	3.31; 2.8	0.495
	P3	5.39; 3.3	4.40; 3.2	0.522	5.36; 3.1	4.32; 3.2	0.993
	P4	4.67; 3.0	3.87; 2.6	0.309	4.35; 2.9	3.67; 2.7	0.945
	P5	3.43; 0.9	3.93; 1.2	0.104	3.69; 1.1	3.91; 1.2	0.274
	P6	4.84; 1.5	5.30; 1.4	0.413	4.72; 1.5	4.85; 1.3	0.476
	M0	3.18; 0.8	2.92; 0.8	0.600	3.31; 0.9	2.94; 0.8	0.293
	M1	7.16; 2.9	6.26; 2.5	0.072	6.88; 3.4	6.31; 2.7	0.003*
	M2	9.26; 3.5	9.35; 2.9	0.047	9.25; 3.5	8.92; 3.0	0.017*
	M3	11.56; 4.5	11.70; 3.5	0.001	12.05; 4.2	11.70; 3.4	0.048*
	M4	4.85; 1.6	4.90; 1.7	0.734	4.88; 1.7	5.02; 1.7	0.936
	M5	3.06; 1.1	2.81; 0.9	0.460	3.11; 0.9	2.89; 1.0	0.283

*T-test (P-value < 0.05).