Journal of Dental Anesthesia and Pain Medicine

The Korean Dental Society of Anesthsiology (대한치과마취과학회)
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The efficacy of low-level diode laser versus laser acupuncture for the treatment of myofascial pain dysfunction syndrome (MPDS)

  • Khalighi, Hamid Reza (Department of Oral and Maxillofacial Medicine, School of Dentistry, Shahid Beheshti University of Medical Sciences) ;
  • Mortazavi, Hamed (Department of Oral and Maxillofacial Medicine, School of Dentistry, Shahid Beheshti University of Medical Sciences) ;
  • Mojahedi, Seyed Masoud (Department of Laser, School of Dentistry, Shahid Beheshti University of Medical Sciences) ;
  • Azari-Marhabi, Saranaz (Laser Application in Medical Science Research Center, Shohada Tajrish Hospital) ;
  • Parvaie, Parvin (Department of Oral and Maxillofacial Medicine, School of Dentistry, Birjand University of Medical Sciences) ;
  • Anbari, Fahimeh (Department of Oral and Maxillofacial Medicine, School of Dentistry, Shahid Beheshti University of Medical Sciences)
  • Received : 2021.09.22
  • Accepted : 2022.01.15
  • Published : 2022.02.01
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Abstract

Background: Myofascial pain dysfunction syndrome (MPDS) is the most common type of temporomandibular disorder. This study compared the efficacies of low-level diode laser therapy (LLLT) and laser acupuncture therapy (LAT) in the treatment of MPDS. Methods: This double-blind randomized controlled clinical trial included 24 patients with MPDS who were randomly divided into two equally sized groups. Patients in the LLLT group received 12 sessions of low-level diode laser irradiation applied to the trigger points of the masticatory muscles during 1 month. The same protocol was also used in the LAT group according to the specific trigger points. We measured pain intensity and maximum mouth opening in both groups at baseline, during treatment, and 2 months after treatment completion. Results: The pain intensities decreased from 6.58±1.31 to 0.33±0.65 and from 7.08 ± 1.37 to 0 in the LLLT and LAT groups, respectively. The maximum mouth openings increased from 32.25 ± 8.78 mm to 42.58 ± 4.75 mm and from 33 ± 6.57 mm to 45.67 ± 3.86 mm in the LLLT and LAT groups, respectively. Pain intensity (P = 0.839) and level of maximum mouth opening (P = 0.790) did not differ significantly between the groups. Conclusion: Our results showed similar efficacy between LLLT and LAT in the treatment of MPDS signs and symptoms.

Keywords

Acknowledgement

The authors thank the Vice-Chancellor for Research of Shahid Beheshti University of Medical Sciences for the financial support and Dr. Somayeh Rahmani for her collaboration on this project.

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