Fig. 7From: In vitro comparison of the osteogenic capability of human pulp stem cells on alloplastic, allogeneic, and xenogeneic bone scaffoldsGraphical illustrations of qRT-PCR of a RUNX2, b OPN and c OCN after 7 and 14 days. *(p < 0.05); **(p < 0.001); ***(p < 0.001)Back to article page