Correlation of Temporomandibular Joint Pathologies, Neck Pain and Postural Differences

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Background and purpose. The purpose of this study was to investigate the relationship between temporomandibular joint (TMJ) pathologies, neck pain and postural differences. Subjects and Methods. Eighteen patients referred to us with TMJ and neck pain complaints were included in the study. The control group consisted of individuals who had no TMJ and neck pain complaints. Both groups were subjected to cervical X-Ray and Magnetic Resonance Imaging (MRI) of TMJ. Patients were evaluated by mandibular ROM (active-passive), and head-shoulder angles parameters. Mandibular ROM as active and passive was measured with a ruler in milimeters between the upper and lower first incisor teeth. For measurement of head and shoulder angles, tragus, processus spinosus of C7 cervical vertebra and acromial head on shoulder were marked and angular measurements were taken from these three points on the patients' photographs. Results. There was a statistical difference in head-shoulder angles and TMJ active-passive ROM values when both groups were compared with each other (p<0.001). Conclusion. This study supports the hypothesis that cervical postural changes affect the muscles of the stomatognathic system and cause TMJ dysfunction pathologies.