3D RECONSTRUCTION AND TREATMENT PLANNING OF A FACIAL TRAUMA CASE. S. Mardini, M. Noujeim, and A. Hamidaddin, Department of Dental Diagnostic Science, University of Texas Health Science Center at San Antonio. Background. Facial fractures are a common injury in the US. The most common cause is motor vehicle accident. Reconstruction of these multiple facial fractures can pose a difficult task for the surgeon. Visualization of the fractured fragments and adjacent structures is very important for a successful outcome. Computerized tomography (CT), along with new reconstruction software, has allowed for the radiologist to unveil the complexity of the case. Objective. To illustrate the role of the radiologist and the use of multiplanar reconstruction in the diagnosis and the treatment of complex fracture cases. Study design. A case was referred to the Graduate Oral and Maxillofacial Radiology Clinic at the University of Texas Health Science Center at San Antonio. A conventional CT study was reconstructed using 2 multiplanar 3-dimensional reconstruction software (Mimics 8.0 [Materialise Inc, Leuven, Belgium] and Vitrea 2 [Vital Image Inc, Plymouth, Minn]) prior to the reconstruction surgery. Results. These reconstructions revealed lesions of the body of the mandible, TMJs, the zygomaticofrontal, zygomaticotemporal, and zygomaticomaxillary sutures, the floor of the orbits, and the posterior walls of the maxillary sinuses. Conclusions. The reconstructions showed the complexity of the fractures of the mandible and the midface, including bilateral TMJ condylar fractures. Based on these reconstructions, a surgical treatment plan was formed and applied during the reconstructive surgery.