Research Article

Bone Regeneration Using N-Methyl-2-pyrrolidone as an Enhancer for Recombinant Human Bone Morphogenetic Protein-2 in a Rabbit Sinus Augmentation Model

Figure 5

Findings of histomorphometric analyses in the regions of interest (ROIs). ((a)–(c)) Comparisons of the areas of new bone (NB), residual graft material (RM), and nonmineralized tissue (NM) in each region, respectively. Asterisks indicate statistical differences compared to the corresponding region for BCP.
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