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

Table 1

Histomorphometric analysis in total augmentation (mean ± SD; mm²).

	BCP ()	BMP ()	BMP/NMP ()
TA	16.01 ± 3.01	19.07 ± 4.42	20.05 ± 4.51
	1.28 ± 0.52	1.50 ± 0.72	1.94 ± 0.69
	6.69 ± 1.43	6.92 ± 1.35	6.87 ± 1.28
	8.04 ± 1.71	10.66 ± 3.72	11.24 ± 4.07

No statistical difference among groups (); TA, total augmented area; , new bone area within TA; , residual graft material area within TA; , nonmineralized tissue area within TA.