Evaluation of the effects of occlusal splint, trigger point injection and arthrocentesis in the treatment of internal derangement patients with myofascial pain disorders

Temporomandibular disorders (TMD) may originate from the joint itself or from pathologies of masticatory muscles. Most pathology seen is myofascial pain disorder (MPD). TMD are characterized by pain, muscle spasms, and constraints in the movements of the temporomandibular joint. In temporomandibular joint disorders, besides the internal derangement, protective muscle spasms are usually observed.

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