“…Nine 10,16,24,26,34,37,39,51,53 of the 12 RCTs (267 participants) compared BTX-A versus placebo. Eight trials 10,16,24,34,37,39,51,53 (237 participants) assessed temporomandibular pain reduction using a VAS (0−10 scale, higher values indicate more pain), while one trial 26 asked participants to fill out the RDC/TMD Axis II Biobehavioral Questionnaire to evaluate pain intensity. We pooled the results of 4 RCTs 10,16,24,39 in meta-analyses at 3 time points: 1, 3, and 6 months post-treatment.…”