Morphometric Analysis of the Mental Foramen Using Cone-Beam Computed Tomography

Table 3

Distribution of mandibular foramen positions for the sample by age.

Position	Age group (years)
	18–25	26–40	42–55	≥56	Total
	n (%)	n (%)	n (%)	n (%)	N (%)
1	0 (0.0)	0 (0.0)	1 (1.4)	0 (0.0)	1 (0.6)
2	2 (12.5)	4 (12.1)	9 (12.9)	3 (6.0)	18 (10.7)
3	7 (43.8)	17 (51.5)	24 (34.3)	27 (54.0)	75 (44.4)
4	7 (43.8)	12 (36.4)	32 (45.7)	18 (36.0)	69 (40.8)
5	0 (0.0)	0 (0.0)	4 (5.7)	1 (2.0)	5 (3.0)
6	0 (0.0)	0 (0.0)	0 (0.0)	1 (2.0)	1 (0.6)
Total	16 (100.0)	33 (100.0)	70 (100.0)	50 (100.0)	169 (100.0)