| PMMA | Polymethyl methacrylate |
| HA | Hydroxyapatite |
| SiO2 | Silica |
| TiO2 | Titanium Dioxide |
| •OH | Hydroxyl radicals |
| OH− | Hydroxyl ion |
| O2• | Superoxide anion radical |
| MWCNT | Multi-Walled Carbon Nanotubes |
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