The discrepancy of superimposition of models was represented in the color-coded visualization and presented in terms of RMSD value (a). Initial registration of virtual planning and postoperative CBCT model (b). The RMSD distribution and statistics (c). The discrepancy of superimposition of virtual surgery and postsurgical images in maxilla, mandible and maxilla-mandibular complex segments. The blue color indicated the no deviation on both surfaces, other colors showed different degree of deviation.