Dynamic navigation system-guided trans-inferior alveolar nerve implant placement in the atrophic posterior mandible: A case report

Figure 1 Preoperative oral situation of a 50-year-old Chinese woman with posterior mandibular defect dentition. A: Mandibular occlusal view; B: Buccal view from the left side; C: Mandibular occlusal view with the U shape tube fixed to the left dentition defect; D: Panoramic radiograph with the U-shaped tube fixed to the dentition defect.