Journal
JOURNAL OF PAIN RESEARCH
Volume 14, Issue -, Pages 1667-1673Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/JPR.S314342
Keywords
temporomandibular joint disorder; pain; ultrasound; exercise therapy; recurrence
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The study demonstrates that US therapy can significantly reduce pain and improve function for TMD patients. However, there is a 2.63% recurrence rate in the US group at 6 months post-therapy.
Background: Temporomandibular joint disorder (TMD) affects millions of people. It is unclear if low intensity ultrasound (US) is effective to treat TMD. Methods: A total of 160 patients with TMD were enrolled in this study. The subjects were randomized into two groups to receive US therapy or no therapy. Patients in the US group were given US therapy once a day for 5 days per week for 2 consecutive weeks. Before and 4 weeks and 6 months after the treatments, the patients were assessed for pain using visual analog scale (VAS) and the maximum pain-free inter-incisal distance (IID). In addition, mandibular movement (MM), jaw noise (JN), disability index (DI) and craniomandibular index (CMI) were also assessed. Results: Compared with the patients before the therapy, VAS, IID, MM, JN, DI and CMI in the US group were significantly improved 4 weeks and 6 months after therapy. However, 6 months after the therapy, US group had a recurrence rate of 2.63%. Conclusion: US therapy can significantly reduce the pain, and improve the functionality of the temporomandibular joint and mouth opening limit for TMD patients, and is therefore recommended for TMD patients.
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