This study aimed to assess the asymmetry of the lower face and motor dysfunction of the masticatory system resulting from unilateral or asymmetrical bilateral temporomandibular joint (TMJ) involvement in juvenile idiopathic arthritis (JIA) patients. The study consisted of clinical examination and cone beam computed tomography (CBCT) of TMJs. Statistical analysis showed correlations between several factors: facial asymmetry and mandibular lateral deviation; the direction of mandibular deviation and the degree of radiological deformities in TMJs; the child’s age at the time of the onset and the range of lateral movement towards the healthy or less destructed joint. In addition, there was a significant difference in ranges of lateral movements; a significantly smaller range was observed for the joint with fewer condylar abnormalities compared to the range in the opposite direction. In JIA children, among the clinical markers of unilateral or asymmetrical TMJ involvement, the asymmetry of the lower face, deviation of the mandible on opening, and an uneven range of mandibular lateral movements deserve attention. The obtained results do not show a relationship between the degree of condylar changes and the asymmetry of the lower face and the presence and degree of mandibular motor dysfunction.
CITATION STYLE
Pawlaczyk-Kamieńska, T., Kulczyk, T., Pawlaczyk-Wróblewska, E., Borysewicz-Lewicka, M., & Niedziela, M. (2020). Limited mandibular movements as a consequence of unilateral or asymmetrical temporomandibular joint involvement in juvenile idiopathic arthritis patients. Journal of Clinical Medicine, 9(8), 1–12. https://doi.org/10.3390/jcm9082576
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