Comparison of T2 values of the displaced unilateral disc and retrodiscal tissue of temporomandibular joints and their implications
Abstract Unilateral anterior disc displacement (uADD) has been shown to affect the contralateral joints qualitatively. This study aims to assess the quantitative T2 values of the articular disc and retrodiscal tissue of patients with uADD at 1.5 Tesla (T). The study included 65 uADD patients and 17...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2024-01-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-024-52092-6 |
| _version_ | 1827377340644065280 |
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| author | Naoya Kakimoto Pongsapak Wongratwanich Hiroaki Shimamoto Jira Kitisubkanchana Tomomi Tsujimoto Kiichi Shimabukuro Rinus G. Verdonschot Yoko Hasegawa Shumei Murakami |
| author_facet | Naoya Kakimoto Pongsapak Wongratwanich Hiroaki Shimamoto Jira Kitisubkanchana Tomomi Tsujimoto Kiichi Shimabukuro Rinus G. Verdonschot Yoko Hasegawa Shumei Murakami |
| author_sort | Naoya Kakimoto |
| collection | DOAJ |
| description | Abstract Unilateral anterior disc displacement (uADD) has been shown to affect the contralateral joints qualitatively. This study aims to assess the quantitative T2 values of the articular disc and retrodiscal tissue of patients with uADD at 1.5 Tesla (T). The study included 65 uADD patients and 17 volunteers. The regions of interest on T2 maps were evaluated. The affected joints demonstrated significantly higher articular disc T2 values (31.5 ± 3.8 ms) than those of the unaffected joints (28.9 ± 4.5 ms) (P < 0.001). For retrodiscal tissue, T2 values of the unaffected (37.8 ± 5.8 ms) and affected joints (41.6 ± 7.1 ms) were significantly longer than those of normal volunteers (34.4 ± 3.2 ms) (P < 0.001). Furthermore, uADD without reduction (WOR) joints (43.3 ± 6.8 ms) showed statistically higher T2 values than the unaffected joints of both uADD with reduction (WR) (33.9 ± 3.8 ms) and uADDWOR (38.9 ± 5.8 ms), and the affected joints of uADDWR (35.8 ± 4.4 ms). The mean T2 value of the unaffected joints of uADDWOR was significantly longer than that of healthy volunteers (P < 0.001). These results provided quantitative evidence for the influence of the affected joints on the contralateral joints. |
| first_indexed | 2024-03-08T12:38:40Z |
| format | Article |
| id | doaj.art-aca7e6089ce743259acfd623d678c77a |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-03-08T12:38:40Z |
| publishDate | 2024-01-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-aca7e6089ce743259acfd623d678c77a2024-01-21T12:20:17ZengNature PortfolioScientific Reports2045-23222024-01-0114111010.1038/s41598-024-52092-6Comparison of T2 values of the displaced unilateral disc and retrodiscal tissue of temporomandibular joints and their implicationsNaoya Kakimoto0Pongsapak Wongratwanich1Hiroaki Shimamoto2Jira Kitisubkanchana3Tomomi Tsujimoto4Kiichi Shimabukuro5Rinus G. Verdonschot6Yoko Hasegawa7Shumei Murakami8Department of Oral and Maxillofacial Radiology, Graduate School of Biomedical and Health Sciences, Hiroshima UniversityDivision of Oral Diagnosis, Department of Oral Biomedical Sciences, Khon Kaen UniversityDepartment of Oral and Maxillofacial Radiology, Osaka University Graduate School of DentistryDepartment of Oral and Maxillofacial Radiology, Faculty of Dentistry, Mahidol UniversityDepartment of Oral and Maxillofacial Radiology, Osaka University Graduate School of DentistryDepartment of Oral and Maxillofacial Radiology, Hiroshima University HospitalMax Planck Institute for PsycholinguisticsDivision of Comprehensive Prosthodontics, Niigata University Graduate School of Medical and Dental SciencesDepartment of Oral and Maxillofacial Radiology, Osaka University Graduate School of DentistryAbstract Unilateral anterior disc displacement (uADD) has been shown to affect the contralateral joints qualitatively. This study aims to assess the quantitative T2 values of the articular disc and retrodiscal tissue of patients with uADD at 1.5 Tesla (T). The study included 65 uADD patients and 17 volunteers. The regions of interest on T2 maps were evaluated. The affected joints demonstrated significantly higher articular disc T2 values (31.5 ± 3.8 ms) than those of the unaffected joints (28.9 ± 4.5 ms) (P < 0.001). For retrodiscal tissue, T2 values of the unaffected (37.8 ± 5.8 ms) and affected joints (41.6 ± 7.1 ms) were significantly longer than those of normal volunteers (34.4 ± 3.2 ms) (P < 0.001). Furthermore, uADD without reduction (WOR) joints (43.3 ± 6.8 ms) showed statistically higher T2 values than the unaffected joints of both uADD with reduction (WR) (33.9 ± 3.8 ms) and uADDWOR (38.9 ± 5.8 ms), and the affected joints of uADDWR (35.8 ± 4.4 ms). The mean T2 value of the unaffected joints of uADDWOR was significantly longer than that of healthy volunteers (P < 0.001). These results provided quantitative evidence for the influence of the affected joints on the contralateral joints.https://doi.org/10.1038/s41598-024-52092-6 |
| spellingShingle | Naoya Kakimoto Pongsapak Wongratwanich Hiroaki Shimamoto Jira Kitisubkanchana Tomomi Tsujimoto Kiichi Shimabukuro Rinus G. Verdonschot Yoko Hasegawa Shumei Murakami Comparison of T2 values of the displaced unilateral disc and retrodiscal tissue of temporomandibular joints and their implications Scientific Reports |
| title | Comparison of T2 values of the displaced unilateral disc and retrodiscal tissue of temporomandibular joints and their implications |
| title_full | Comparison of T2 values of the displaced unilateral disc and retrodiscal tissue of temporomandibular joints and their implications |
| title_fullStr | Comparison of T2 values of the displaced unilateral disc and retrodiscal tissue of temporomandibular joints and their implications |
| title_full_unstemmed | Comparison of T2 values of the displaced unilateral disc and retrodiscal tissue of temporomandibular joints and their implications |
| title_short | Comparison of T2 values of the displaced unilateral disc and retrodiscal tissue of temporomandibular joints and their implications |
| title_sort | comparison of t2 values of the displaced unilateral disc and retrodiscal tissue of temporomandibular joints and their implications |
| url | https://doi.org/10.1038/s41598-024-52092-6 |
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