Fig. 1From: Feasibility analysis of bone density evaluation with Hounsfield unit value after fibula flap reconstruction of jaw defectROI of measurement. HU value and BMD were measured at 25%, 50%, and 75% of the fibula long axis, and the ROI diameter was 5 mm (5 ± 0.5 mm). ROI, region of interest; BMD, bone mineral density; HU, Hounsfield unitBack to article page