| MSN | Mesoporous Silica Nanoparticles |
| SBA-15 | Santa Barbara Amorphous-15 (type of mesoporous silica) |
| SBF | Simulated Body Fluid |
| PVA | Polyvinyl Alcohol |
| NaF | Sodium Fluoride |
| HAp/HA | Hydroxyapatite |
| Si-OH | Silanol groups |
| CaPO4 | Calcium Orthophosphate |
| SiO2 | Silicon Dioxide |
| XRD | X-Ray Diffraction |
| FTIR | Fourier-Transform Infrared Spectroscopy |
| SEM | Scanning Electron Microscopy |
| EDS | Energy-Dispersive X-ray Spectroscopy |
| HV | Vickers Hardness |
| ASTM | American Society for Testing and Materials |
| ISO | International Organization for Standardization |
| FGM | Functionally Graded Materials |