| CLSM | Confocal laser scanning microscopy |
| CW | Continuous wave |
| GFs | Gingival fibroblasts |
| IL | Interleukin |
| LLLT | Low-level laser therapy |
| LPS | Lipopolysaccharide |
| MCP | Monocyte chemoattractant protein |
| OD | Optical density |
| PDLs | Periodontal ligament cells |
| PW | Pulsed wave |
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