Axial four-dimensional computed tomographic images to analyze crosswise differences in protrusive condylar movement in patients who underwent mandibulectomy and free flap reconstruction

摘要: Abstract Objective Few studies evaluate condylar movement following mandibular reconstruction. The main objective of this study was to show that axial four-dimensional computed tomography (4DCT) could visualize bilateral protrusive directly. We used 4DCT images assess protrusion in patients who underwent Methods enrolled seven healthy volunteers (median age 30 years, range 27–38 years) and 65 52–80 years), mandibulectomy (segmental five, hemi one, marginal one) free flap reconstruction (using the fibula six radial forearm one). Six subjects were instructed masticate a cookie during scan (the seventh made chewing motions). distance between most anterior posterior positions condyles on (axial view) then measured compared controls using Mann–Whitney U-test. Results crosswise difference distances significantly greater than controls. Conclusion Axial can path. for have undergone may be useful evaluation functional condyles.