Figure 1: Images of swine dental pulp undergoing decellularization. At 0 h (a) and 32 h (b), there was a visible change from a normal pink to a mostly white, translucent appearance. H&E staining showed the native structures of pulp were well-preserved (c, d), while no cellular components were observed after 32 h of decellularization (e–h). SEM analyses showed the decellularization pulp present porose structure in transverse section (i) and vertical section (j). , scale bars: 100 μm (c, d), 50 μm (e, f), and 100 μm (i, j).