Search for: [Abstract = "bellies of the biventer muscles, mouth floor muscles as well as medial pterygoid and lateral pterygoid were assessed in indirect tests. The temporomandibular joints examination involved simultaneous palpation in central occlusion and mandibular movements. In orthopantomogram the number of endodontically treated teeth were assessed as well as root structure abnormalities, unerupted teeth location, pathologies within the maxillary sinus and mandibular bones region. The next stage of the occlusal examination was an instrumental analysis performed on the casts in the articulator. The transfer of the spatial relation of the occlusal surface of the upper arch to the hinge axis of the temporomandibular joint was performed with the use of the facial arch. The dislocation of the posterior teeth during protrusive movements \(incisal guidance\) and the displacement of the posterior teeth during lateral movements \(canine guidance\) were examined. The electromyographic testing of masseter muscle activity was done using the 4\-channel Electromyography MyoPlus 4Pro with bipolar surface electrodes with a constant distance between poles covered with AgCl. Electrical potentials were recorded during the 10\-second examination, separately in the resting position of the mandible, and in the central occlusion. The dental check\-up, specialist dental examination of the masticatory organ, ma"]

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