Adhesions in the Temporomandibular Joint: Formation and Significance
2002
Background: Adhesions are frequently seen in the deranged temporomandibular joint (TMJ). In the early stage of the degenerative process the adhesion does not seem to be a significant factor in reduced mandibular movement. This is reversed in advanced degenerative joint disease where the adhesion requires release to achieve a satisfactory clinical result. Correlation of clinical history and findings within the joint should increase understanding of limited jaw movement.
Methods: Arthroscopic examination of deranged TMJs was performed on 75 patients with limited jaw opening and correlated with the history of the derangement.
Results: A progressive maturation of adhesion formation was observed with longer standing symptoms. A different adhesion pattern was noted with derangement caused by direct trauma on the joint.
Conclusions: Internal derangement of the TMJ is associated with formation of intra-articular adhesions. These are unlikely to be associated with reduced condyle movement in the early phase of the derangement. Later stage adhesions are more substantial and require release to achieve a satisfactory clinical outcome.
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