| B | bone |
| BMP-2 | bone morphogenetic protein 2 |
| D | dentin |
| EDTA | ethylenediaminetetraacetic acid |
| EMD | enamel matrix derivative |
| H&E | hematoxylin and eosin |
| OPG | osteoprotegerin |
| P | pulp |
| PDL | periodontal ligament |
| RANKL | receptor activator of nuclear factor-kappa B ligand |
| ROI | region of interest |
| TRAP | tartrate-resistant acid phosphate |