Abstract

Clinical Trial

Treatment Outcome in Patients with Myofascial Orofacial Pain: A Randomized Clinical Trial

Anders Wänman*, Susanna Marklund and Negin Yekkalam

Published: 18 January, 2024 | Volume 9 - Issue 1 | Pages: 001-008

Background: Temporomandibular Disorder (TMD) pain attributed to myalgia is a common condition and patients should get advice on the best treatment option. 
Objectives: The aim was to evaluate the effect of two different exercise programs, or bite splint therapy, respectively, in patients with chronic frequent primary myofascial orofacial pain. 
Methods: The study was a randomized clinical trial including patients fulfilling criteria of chronic frequent primary myofascial orofacial pain with a reported pain intensity of ≥ 4 on a numerical rating scale (0-10). Ninety subjects were randomized to either bite splint, home exercises, or a supervised exercise program. Two examiners blinded to the treatment modality examined the same subject at baseline and a 3-month follow-up. Non-parametric statistical methods were applied for the outcome of treatment in intended-to-treat analyses. A P-value <0.05 was considered statistically significant. 
Results: The pain severity index was significantly reduced (p < 0.001) in all treatment groups. Jaw opening capacity improved significantly (p < 0.05) for those randomized to bite splint and for those in the home exercise program. About 70% of the participants reported improvement in their TMD pain severity with no significant difference between treatments. Both exercise groups improved in jaw function at the 3-month follow-up compared to baseline. Those who had a bite splint reported significantly more improvement in their headaches compared to those in the exercise programs. 
Conclusion: Jaw exercise programs and bite splint treatments had similar positive effects on TMD pain severity attributed to myalgia after 3 months.

Read Full Article HTML DOI: 10.29328/journal.johcs.1001046 Cite this Article Read Full Article PDF

Keywords:

Oral appliance; Exercise; Myalgia; Physiotherapy; Temporomandibular disorders

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