Purpose: The aim of our study is to evaluate the location of the foraman mandible using three-dimensional computed tomography.
Materials and Methods: 102 patients who underwent cranial computed tomography for any reason were included in our study. Data were compared by gender and location, and age-related correlation of parameters were evaluated.
Results: In our study, the mean distance between foramen mandible and incisura mandible was 15.0 mm in male and 13.7 mm in female. The mean distance between foramen mandible and anterior border of mandibular ramus was 14.8 mm in male and 13.5 mm in female. There was no significant difference between genders and location comparisons.
Conclusion: Knowing the exact location of the foramen mandible is of great importance in terms of reducing anesthetic complications in mandibular anesthesia. 
Keywords: Mandibular Foramen; Inferior Alveolar Nerve Block; Computerized Tomography