Title: Outcome of Arthrocentesis in Patients with Internal Derangement of Temperomandibular Joint with Disc Reduction and without Disc Reduction
Authors: Manoj S, Ashik A, Kavitha Janardanan, Ajith Kumar K, Sobhana C R
DOI: https://dx.doi.org/10.18535/jmscr/v5i12.110
Abstract
Aim: To compare the outcome of arthrocentesis in patients with internal derangement of temporomandibular joint, with disc reduction and without disc reduction.
Materials and Methods: Twenty patients were included in this study. Dynamic ultrasonography was done to assess the status of the temporomandibular joint disc. Patients were divided into 2 groups, those with disc reduction and without disc reduction. Arthrocentesis was done under local anesthesia. The outcome variables were pain level, inter incisal distance, and lateral excursion of the TMJ. Post-operative ultrasonography was taken to check whether arthrocentesis can release the closed lock of the articular disc.
Results: The results showed a statistically significant difference in the outcome between the two groups and the patients without disc reduction responded to the procedure well. Post-operative dynamic ultrasonography revealed no change in the status of the disc in patients without disc reduction.
Conclusion: Arthrocentesis gives better results in patients with internal derangement of temporomandibular joint without disc reduction. Even though there is a significant reduction in the symptoms associated with temporomandibular joint, arthrocentesis failed to release the closed lock of the articular disc, and disc recapturing is not essential to obtain good function and for relief of pain in patients with closed lock
Keywords: Temporomandibular Joint Arthrocentesis, TMJ pain, Mouth Opening, Closed lock, Disc reduction.
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