| α-SMA | Alpha-smooth muscle actin |
| ANOVA | Analysis of variance |
| CAP | Cold atmospheric plasma |
| CD34 | Cluster of differentiation 34 |
| CHG | Chlorhexidine gluconate group |
| DAB | 3,3′-Diaminobenzidine |
| EBM | Extracellular basement membrane |
| ECM | Extracellular matrix |
| EDTA | Ethylenediaminetetraacetic acid |
| FGF-2 | Fibroblast growth factor 2 |
| H&E | Hematoxylin and eosin |
| HRP | Horseradish peroxidase |
| ILK | Integrin-linked kinase |
| IHC | Immunohistochemistry |
| Ki67 | Proliferation marker Ki-67 |
| NTAP | Non-thermal atmospheric plasma |
| NTAPG | Non-thermal atmospheric plasma-treated group |
| OD | Optical density |
| PBS | Phosphate-buffered saline |
| PDL | Periodontal ligament |
| ROS/RNS | Reactive oxygen species/reactive nitrogen species |
| SCG | Saline control group |
| TGF-β | Transforming growth factor beta |
| VEGF-A | Vascular endothelial growth factor A |