| CAPP | Cold atmospheric pressure plasma |
| CHX | Chlorhexidine |
| NaOCl | Sodium hypochlorite |
| NiTi | Nickel–titanium |
| NTPP | Non-thermal atmospheric pressure plasma |
| PAI | Periapical index |
| PAL | Plasma activated liquid |
| RCT | Root canal treatment |
| ROS | Reactive oxygen species |
| TA | Terephthalic acid |
| UDP | Underwater discharge plasma |
| VAS | Visual analog scale |