Figure 2. Panoramic X-ray images of patients with odontogenic keratocyst. A: case 7, B: case 8, C: case 9, D: case 10, E: case 11, F: case 12, G: case 13. Arrow heads show the area of the disease. Odontogenic keratocyst developed in the mandible of 4 patients (cases 7, 8, 9, 10), and in the maxilla of 3 patients (cases 11, 12, 13). Three patients (cases 7, 9, 10) had multilocular cyst, 4 patients (cases 8, 11, 12, 13) had monolocular cyst. One patient (case 7) showed a knife cutting image of the dental root.