Efficacy of different treatment methods in patients with myofascial pain syndrome
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ORIGINAL ARTICLE
Efficacy of different treatment methods in patients with myofascial pain syndrome Aysegul Kurt 1
&
Sirin Guner-Onur 2
&
Caglar Bilmenoglu 1
&
Gozde Memisoglu 3 & Ahmet Altuğ Cilingir 1
Received: 17 April 2020 / Accepted: 20 August 2020 # Springer Nature Switzerland AG 2020
Abstract Purpose Photobiomodulation therapy (PBMT) and occlusal splint therapy (OST) are treatment methods for myofascial pain dysfunction syndrome (MPS). This study evaluates the effect of PBMT and OST on pain relief and mandibular function improvement in patients with MPS. Methods A retrospective study was conducted with the patients (35 women; age range, 18–60 years), who were treated at the Faculty of Dentistry, Trakya University, between 2017 and 2018. The patients were diagnosed with MPS and treated with PBMT (940 nm) or OST. Pain intensity and mandibular function were evaluated at the beginning of the treatments (t0), as well as 1 month (t1) and 2 months (t2) after the beginning of the treatments. Results Mandibular function improved significantly in both the PBMT (t0–t2 = − 2.15 ± 2.23, p = 0.007) and OST groups (t0– t2 = − 2.46 ± 2.18, p = 0.005). Pain intensity values also decreased significantly over time in both the PBMT (t0–t2 = 4.15 ± 2.30, p = 0.002) and OST (t0–t2 = 4.62 ± 1.39, p = 0.001) groups. Conclusions The tested types of PBMT and OST are effective for pain relief and mandibular function improvement in MPS. Trial registration ClinicalTrials.gov Identifier: NCT04257903 Keywords Photobiomodulation therapy . Myofascial pain syndrome . Occlusal splint . Mandibular function . Pain relief
Introduction The masticatory system is a complex structure in functional balance, consisting of the temporomandibular joint, the masticatory muscles and the other units with which they are associated [1]. When the physiological tolerance limit of one of the system’s units is exceeded, the system’s balance is disrupted, and temporomandibular disorders (TMD) occur, presenting certain symptoms [2]. The research diagnostic criteria for temporomandibular disorder (RDC/TMD) classifies myofascial pain syndrome (MPS) as a TMD resulting from myofascial
* Aysegul Kurt [email protected] 1
Department of Prosthodontics, Faculty of Dentistry, Trakya University, Balkan Campus, 22030 Edirne, Turkey
2
Department of Pediatric Dentistry, Faculty of Dentistry, Trakya University, Edirne, Turkey
3
Department of Prosthodontics, Faculty of Dentistry, Istanbul Medipol University, Istanbul, Turkey
disorder. MPS is characterized by limited mandibular function and trigger points, described as hyperirritable points, at masticatory muscles [3]. The aetiology of MPS is still not precisely established, but psychosocial factors, occlusion-related problems and traumatic habits are its possible underlying causes [1, 2]. Several treatment methods have been used to eliminate trigger points and mandibular function limitations. However, there is also no standard treatment protocol for MPS. MPS treatment ideally starts with non-invasive, reversib
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