Cartilage Repair and Subchondral Bone Migration Using 3D Printing Osteochondral Composites: A One-Year-Period Study in Rabbit Trochlea

Figure 11

PEG hydrogel analysis before and 52 weeks after implantation. (a) Fourier transform infrared spectroscopy (FTIR) spectra, (b) compressive modulus, and (c) residual PEG hydrogel (as yellow part implied) in regenerated osteochondral plug 52 weeks after implantation.

(a)

(b)

(c)