Research Article

A 3D Osteoblast In Vitro Model for the Evaluation of Biomedical Materials

Figure 5

Cytocompatibility assay (XTT) performed with (a) MC3T3-E1 cells at 30,000 cells in three-dimensional culture or (b) HOb spheroids at 50,000 cells’ density. A line between bars indicates significant difference between groups (). An asterisk indicates significant difference from all other groups ().
(a)
(b)