Alstergren P, Ernberg M, Kvarnström M, Kopp S. Interleukin-1beta in synovial fluid from the arthritic temporomandibular joint and its relation to pain, mobility, and anterior open bite.
J Oral Maxillofac Surg 1998;
56:1059-65; discussion 1066. [PMID:
9734768 DOI:
10.1016/s0278-2391(98)90256-7]
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Abstract
PURPOSE
The purpose of this study was to investigate whether interleukin-1beta in synovial fluid or blood plasma is involved in the development of pain or hyperalgesia of the temporomandibular joint (TMJ), as well as reduced mandibular mobility and anterior open bite.
PATIENTS AND METHODS
Twenty-nine patients with TMJ arthritis and seven healthy subjects were studied. VAS measurement of TMJ tenderness on palpation of the TMJ (TDP), TMJ pressure pain threshold and tolerance level (PPTL), mandibular mobility, pain during joint movements, and degree of anterior open bite (AOB) were assessed. IL-1beta levels were analyzed in TMJ synovial fluid (SF-IL-1beta) and blood samples and correlated with the preceding factors.
RESULTS
SF-IL-1beta showed significant positive correlations with VAS measurement of pain, TDP, and AOB and a negative correlation with PPTL.
CONCLUSIONS
This study indicates that IL-1beta in the synovial fluid is associated with pain and hyperalgesia in the TMJ region as well as an anterior open bite. Concerning the latter condition, IL-1beta seems to be a warning signal of tissue destruction.
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