Virtual Surgical Planning and 3D Printed Cutting Guides

The virtual surgical planning and titanium cutting guide 3D printing proceeded as we previously reported [2 (link),10 (link)]. Briefly, DICOM data files obtained from maxillofacial computed tomography (CT, LightSpeed CT scanner, GE Healthcare, Hatfield, UK) or cone-beam computed tomography (CBCT, i-CAT, Imaging Sciences International, Hatfield, PA, USA) were imported into the ProPlan CMF software (Materialise, Leuven, Belgium). The osteotomy lines of the coronoidectomy and condylectomy were delineated virtually based on multiplanar (axial, coronal, and sagittal) and three-dimensional (3D) views of the lesion. The data set of the bony segments after the osteotomy was virtually imported into Geomagic Studio 2013 Software (Geomagic, Durham, NC, USA) to design the TiAI64V coronoidectomy guide and the condylectomy guide, which were fabricated using a titanium 3D printer (M2 cusing Mutilaser; CONCEPTLASER, Schwabhausen, Germany) (Figure 1A,B).