| FTIR | Fourier transform infrared |
| TGA | thermogravimetry |
| SEM | scanning electron microscopy |
| EP | extrusion printing |
| HA | hydroxyapatite |
| HA–SiO2 | silica-doped hydroxyapatite |
| FTIR | Fourier transform infrared |
| TGA | thermogravimetry |
| SEM | scanning electron microscopy |
| EP | extrusion printing |
| HA | hydroxyapatite |
| HA–SiO2 | silica-doped hydroxyapatite |