Fig. 4
From: 3D printed scaffold for repairing bone defects in apical periodontitis
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12903-022-02362-4/MediaObjects/12903_2022_2362_Fig4_HTML.png)
A Stress–strain curve of tensile property and compression property; B HE staining of MC3T3-E1 cells seeded onto the scaffold; C SEM image of the scaffold; D Growth curve of MC3T3-E1 on the scaffold (in the upper left corner is an CLSM image of MC3T3-E1 cells)