Table 1.

Characteristics of experimental groups (n = 4, respectively).

Group	Composition of scaffold
Control	No scaffold
PCL/TCP	PCL (70 wt%)/β-TCP (30 wt%)
PCL/TCP/BMP2	PCL (70 wt%)/β-TCP (30 wt%)/rhBMP-2 50 μg/ml
PCL/TCP/ABP	PCL (70 wt%)/β-TCP (30 wt%)/autogenous bone particles