Table 4. Incidence of accessory mandibular foramen in 204 dry adult human mandibles.

Accessory mandibular foramen	No. (%)
Right side–single accessory foramen	17 (8.33)
Right side–double accessory foramen	8 (3.92)
Left side–single accessory foramen	11 (5.4)
Left side–double accessory foramen	9 (4.41)
Bilateral single accessory foramen	18 (8.8)
Bilateral double accessory foramen	3 (1.5)
Absent–accessory foramen	138 (67.64)