Assessing thickness and stiffness of superficial/deep masticatory muscles in orofacial pain: an ultrasound and shear wave elastography study
AbstractIntroduction Sonoelastography has been increasingly used for non-invasive evaluation of the mechanical features of human tissues. The interplay between orofacial pain and regional muscle activity appears clinically paramount, although only few imaging studies have investigated this associati...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2023-12-01
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| Series: | Annals of Medicine |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/07853890.2023.2261116 |
| _version_ | 1797302161604870144 |
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| author | Yunn-Jy Chen Hui-Yi Lin Cheng-An Chu Wei-Ting Wu Lan-Rong Chen Levent Özçakar Ke-Vin Chang |
| author_facet | Yunn-Jy Chen Hui-Yi Lin Cheng-An Chu Wei-Ting Wu Lan-Rong Chen Levent Özçakar Ke-Vin Chang |
| author_sort | Yunn-Jy Chen |
| collection | DOAJ |
| description | AbstractIntroduction Sonoelastography has been increasingly used for non-invasive evaluation of the mechanical features of human tissues. The interplay between orofacial pain and regional muscle activity appears clinically paramount, although only few imaging studies have investigated this association. Using shear wave sonoelastography (SWS), this study ascertained whether orofacial pain induced alterations in the stiffness of superficial and deep masticatory muscles.Methods All participants were systematically evaluated for oral/facial-related conditions, including the area and intensity of pain. SWS was applied to measure the stiffness of the bilateral masseter, temporalis, and lateral pterygoid muscles. The association between orofacial pain and muscle stiffness/thickness was investigated using a generalized estimating equation for adjusting the influence of age, sex, laterality, and body mass index on muscle thickness/stiffness.Results A total of 98 participants were included in the present study: 48 asymptomatic controls, 13 patients with unilateral pain, and 37 patients with bilateral orofacial pain. The reliability, quantified by the intraclass correlation coefficient for muscle stiffness measurement, ranged from 0.745 to 0.893. Orofacial pain at the individual muscle level was significantly associated with masseter muscle stiffness. A trend of increased stiffness (p = 0.06) was also observed in relation to the painful side of the temporalis muscle. No significant correlation was identified between the numeric rating scales for pain and stiffness measurements.Conclusions SWS provides reliable stiffness measurements for the superficial and deep masticatory muscles. The ipsilateral masseter and temporalis muscles might be stiffer than those on the side without orofacial pain. Future studies using the present sonoelasotography protocol can be designed to investigate the stiffness changes in the target muscles after interventions. |
| first_indexed | 2024-03-07T23:32:52Z |
| format | Article |
| id | doaj.art-a499c462238e4e07b037b142dd8c2c9b |
| institution | Directory Open Access Journal |
| issn | 0785-3890 1365-2060 |
| language | English |
| last_indexed | 2024-03-07T23:32:52Z |
| publishDate | 2023-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Annals of Medicine |
| spelling | doaj.art-a499c462238e4e07b037b142dd8c2c9b2024-02-20T11:58:24ZengTaylor & Francis GroupAnnals of Medicine0785-38901365-20602023-12-0155210.1080/07853890.2023.2261116Assessing thickness and stiffness of superficial/deep masticatory muscles in orofacial pain: an ultrasound and shear wave elastography studyYunn-Jy Chen0Hui-Yi Lin1Cheng-An Chu2Wei-Ting Wu3Lan-Rong Chen4Levent Özçakar5Ke-Vin Chang6Department of Dentistry, National Taiwan University Hospital, Taipei, TaiwanDepartment of Dentistry, National Taiwan University Hospital, Taipei, TaiwanDepartment of Dentistry, National Taiwan University Hospital, Taipei, TaiwanDepartment of Physical Medicine and Rehabilitation and Community and Geriatric Research Center, National Taiwan University Hospital, Taipei, TaiwanDepartment of Physical Medicine and Rehabilitation and Community and Geriatric Research Center, National Taiwan University Hospital, Taipei, TaiwanDepartment of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, TurkeyDepartment of Physical Medicine and Rehabilitation and Community and Geriatric Research Center, National Taiwan University Hospital, Taipei, TaiwanAbstractIntroduction Sonoelastography has been increasingly used for non-invasive evaluation of the mechanical features of human tissues. The interplay between orofacial pain and regional muscle activity appears clinically paramount, although only few imaging studies have investigated this association. Using shear wave sonoelastography (SWS), this study ascertained whether orofacial pain induced alterations in the stiffness of superficial and deep masticatory muscles.Methods All participants were systematically evaluated for oral/facial-related conditions, including the area and intensity of pain. SWS was applied to measure the stiffness of the bilateral masseter, temporalis, and lateral pterygoid muscles. The association between orofacial pain and muscle stiffness/thickness was investigated using a generalized estimating equation for adjusting the influence of age, sex, laterality, and body mass index on muscle thickness/stiffness.Results A total of 98 participants were included in the present study: 48 asymptomatic controls, 13 patients with unilateral pain, and 37 patients with bilateral orofacial pain. The reliability, quantified by the intraclass correlation coefficient for muscle stiffness measurement, ranged from 0.745 to 0.893. Orofacial pain at the individual muscle level was significantly associated with masseter muscle stiffness. A trend of increased stiffness (p = 0.06) was also observed in relation to the painful side of the temporalis muscle. No significant correlation was identified between the numeric rating scales for pain and stiffness measurements.Conclusions SWS provides reliable stiffness measurements for the superficial and deep masticatory muscles. The ipsilateral masseter and temporalis muscles might be stiffer than those on the side without orofacial pain. Future studies using the present sonoelasotography protocol can be designed to investigate the stiffness changes in the target muscles after interventions.https://www.tandfonline.com/doi/10.1080/07853890.2023.2261116Sonographysonoelastographyorofacial paintemporo-mandibular jointmastication |
| spellingShingle | Yunn-Jy Chen Hui-Yi Lin Cheng-An Chu Wei-Ting Wu Lan-Rong Chen Levent Özçakar Ke-Vin Chang Assessing thickness and stiffness of superficial/deep masticatory muscles in orofacial pain: an ultrasound and shear wave elastography study Annals of Medicine Sonography sonoelastography orofacial pain temporo-mandibular joint mastication |
| title | Assessing thickness and stiffness of superficial/deep masticatory muscles in orofacial pain: an ultrasound and shear wave elastography study |
| title_full | Assessing thickness and stiffness of superficial/deep masticatory muscles in orofacial pain: an ultrasound and shear wave elastography study |
| title_fullStr | Assessing thickness and stiffness of superficial/deep masticatory muscles in orofacial pain: an ultrasound and shear wave elastography study |
| title_full_unstemmed | Assessing thickness and stiffness of superficial/deep masticatory muscles in orofacial pain: an ultrasound and shear wave elastography study |
| title_short | Assessing thickness and stiffness of superficial/deep masticatory muscles in orofacial pain: an ultrasound and shear wave elastography study |
| title_sort | assessing thickness and stiffness of superficial deep masticatory muscles in orofacial pain an ultrasound and shear wave elastography study |
| topic | Sonography sonoelastography orofacial pain temporo-mandibular joint mastication |
| url | https://www.tandfonline.com/doi/10.1080/07853890.2023.2261116 |
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