Effect of Photobiomodulation in Patients With Temporomandibular Dysfunction Refractory to Botulinum Toxin Treatment.

Three patients (30%) received treatment on the left side and seven (70%) on the right side. The treatment was carried out using the EPIC X laser (BIOLASE®), which uses a solid-state diode as a semiconductor source of invisible infrared radiation. The therapy was applied to the masticatory muscles (temporal, masseter, internal pterygoid), to trigger points discovered on palpation and to the intra-articular area of the TMJ (posterior portion through the external ear, superior portion and anterior portion). All patients included in the study underwent four sessions of PBMT-LLL for four consecutive weeks. T