The hemodynamic effects of occlusal splint therapy on the masseter muscle of patients with myofascial pain accompanied by bruxism |
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| Authors: | Ebru ?spirgil PhD Sinem Burcu Erdo?an PhD Ata Ak?n PhD |
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| Institution: | 1. Private Practice, Ac?badem Altunizade &2. Bak?rk?y Hospital, ?stanbul, Turkey;3. Faculty of Engineering, Department of Medical Engineering, Ac?badem Mehmet Ali Ayd?nlar University, ?stanbul, Turkey https://orcid.org/0000-0001-6028-3477;4. Faculty of Engineering, Department of Medical Engineering, Ac?badem Mehmet Ali Ayd?nlar University, ?stanbul, Turkey |
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| Abstract: | ABSTRACT Objective: The aim of this study was to investigate the hemodynamic effects of occlusal splint therapy on masseter muscles of patients with myofascial pain accompanied by bruxism with near-infrared spectroscopy (NIRS). Methods: Twenty-four patients were randomly divided into two groups, where the study group (n = 12) received occlusal splint therapy and the control group (n = 12) underwent no therapy. Measurements were categorized into four subgroups: painful or painless control and painful or painless splint. Percent changes in deoxyhemoglobin (Hb), oxyhemoglobin (HbO2), and OXY (HbO2-Hb) values were calculated during a 1-month period. Results: Statistically significant inter-session differences between painful-splint and painful-control groups were detected for NIRS oxygenation parameters, whereas inter-session differences between painless groups were statistically insignificant. Conclusion: The results suggest that occlusal splint usage causes a decrease in hyperemic response, which is indicative of a decrease in masseter muscle contraction strength. |
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| Keywords: | Bruxism myofascial pain occlusal splint hemodynamic changes near-infrared spectroscopy |
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https://orcid.org/0000-0001-6028-3477;4. Faculty of Engineering, Department of Medical Engineering, Ac?badem Mehmet Ali Ayd?nlar University, ?stanbul, Turkey