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Ultrasound is Effective to Treat Temporomandibular Joint Disorder

Authors
  • Ba, Shuang1
  • Zhou, Pin2
  • Yu, Ming1
  • 1 Department of Ultrasound, The First Affiliated Hospital of Kangda College of Nanjing Medical University, Lianyungang
  • 2 Department of Stomatology, The First Affiliated Hospital of Kangda College of Nanjing Medical University, Lianyungang
Type
Published Article
Journal
Journal of Pain Research
Publisher
Dove Medical Press
Publication Date
Jun 10, 2021
Volume
14
Pages
1667–1673
Identifiers
DOI: 10.2147/JPR.S314342
PMID: 34140803
PMCID: PMC8203600
Source
PubMed Central
Keywords
Disciplines
  • Original Research
License
Unknown

Abstract

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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