| OVX | Ovariectomized |
| E2 | 17β-estradiol |
| EOI | Experimental occlusal interference |
| TRPV1 | Transient receptor potential vanilloid-1 |
| WT | Wild-type |
| KO | Knockout |
| DMEM | Dulbecco’s modified Eagle’s medium |
| DMSO | Dimethylsulfoxide |
| DiI | 1,1′-Dioctadecyl-3,3,3′,3′-tetramethylindocarbo cyanine perchlorate |
| FITC | Fluorescein isothiocyanate |
| SD | Sprague–Dawley |
| AP | Action potential |
| CFA | Complete Freund’s adjuvant |
| TMD | Temporomandibular disorders |
| TMJ | Temporomandibular joints |