Does Adjunctive Botulinum Toxin A Reduce Pain Scores When Combined With Temporomandibular Joint Arthroscopy for the Treatment of Concomitant Temporomandibular Joint Arthralgia and Myofascial Pain?

The use of Btx appears to correlate with a clinically superior decrease in pain score compared with the control group. The use of Btx could be useful as an adjunctive treatment modality in the management of refractory myofascial pain.