Özet:

Objective: This study aimed to evaluate the stress levels and alterations in temporomandibular joint (TMJ) and masticatory muscle thickness determined by ultrasonography (USG) in young individuals with and without bruxism. Materials and Methods: A total number of 63 eligible subjects were included. In both test (n=33) and control (n=30) groups, Fonseca Questionnaire, Beck’s Depression inventory (BDI) were used as determinants of the presence of bruxism and stress levels. Clinical examination of TMJ and USG measurements of masticatory muscle thicknesses were recorded. Results: Age, sex distribution, and BDI scores were comparable in the test and control groups (p>0.05). The presence of pain during palpation was significantly higher in TMJ (bilateral) and in masseter, temporal muscles, and temporal tendon (unilateral) of the test group (p<0.05). Masticatory muscle thicknesses, as determined by USG, were higher in the control group; however, the differences were not statistically significant (p>0.05). Conclusion: As opposed to pain during palpation, USG evaluation revealed no differences in masticatory muscle thicknesses in young subjects with and without bruxism. Considering the rather young study sample, these results suggest that alterations in the stomatognathic system could occur in the long term.

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