A craniometric study of the mandibular foramen was conducted on 178 mandibles of adults.According to the results of all measurements, the transverse size of mandibular foramen on the right side ranges from 1.5 to 5.5 mm and averages 3.36 mm, and on the left side,it varies from 1.00 to 5.00 mm, with an average value of 1.87±0.34 mm. The smallest distance from the center of the mandibular foramento the anterior edge of the ascending branch of the mandible is from 13.00 to 23.5 mm on the right side, andfrom 13.50 to 22.50 mm on the left side. The average values of this parameter for the right side are 17.118±2.39 mm, and for the left, respectively, 17.31±2.50 mm, as confirmed by computed tomography data According to craniometric measurements, the mandibular foramen most often has an oval or round shape. Respectively the inferior alveolar neurovascular bundle forming in the region of the mandibular foramen has an oval or rounded shape.