The temporomandibular joint is one of the most complicated joints - anatomically, kinesiologically and functionally. Perfect coordination of muscular activity is required for optimum function of the temporomandibular joint, not only of the muscles of the stomatognatic system but also of the cause a secondary temporomandibular joint disorder. Temporomandibular joint disorders may also be secondary to psychological disturbance: anxiety, depression. A characteristic triad of symptoms is associated with temporomandibular disorders: pain in the temporal region, disorders of mandibular movements and joint clicking.

        Key words: temporomandibular joint, temporomandibular disorder, diagnostic