Figure 4From: Harmonic scalpel versus flexible CO2 laser for tongue resection: A histopathological analysis of thermal damage in human cadaversH&E stained tongue specimens from Harmonic scalpel (A, 10× magnification), CO2 laser (B, 10× magnification), and control (C, 10× magnification). Regions enclosed in blue in Figures A and B, represent thermal damage. The black arrow in Figure C indicates black ink on the cut surface of the control specimen.Back to article page