| BoNT-A | Botulinum toxin type A |
| CGRP | Calcitonin gene-related peptide |
| EMG | Electromyography |
| ERK | Extracellular-signal-regulated kinase |
| IHS | International Headache Society |
| NMDA | N-methyl-D-aspartate |
| OA | Oral appliance |
| PPT | Pressure pain threshold |
| QST | Quantitative sensory testing |
| RCT | Randomized clinical trial |
| TMDs | Temporomandibular disorders |
| TMJ | Temporomandibular joint |
| TG | Trigeminal ganglion |
| TNC | Trigeminal nucleus caudalis |
| TRPV1 | Transient receptor potential vanilloid-1 |
| VPM | ventroposteromedial nucleus |
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