Table 1

	Right	Left	P-value
	N (%)	N (%)	P-value
Horizontal position
I	1 (0.3)	2 (0.6)	0.001^b
II	194 (60.6)	228 (71.3)
III	125 (39.1)	90 (28.1)
Vertical position
1	3 (0.9)	0 (0)	0.981^a
2	208 (65)	189 (59.1)
3	0 (0)	5 (1.6)
4	107 (33.4)	125 (39.1)
6	2 (0.6)	1 (0.3)

^aNo statistically significant association at the level P < 0.05, Chi-square test.
^bStatistically significant association at the level P < 0.05, Chi-square test.
N = number of mental foramen observed at each horizontal position.