Specific tissue engineering for temporomandibular joint disc perforation

Min, Ziyang; Li, Yibo; Xiong, Yichen; Wang, Huayu; Jiang, Nan

doi:10.1016/j.jcyt.2023.11.005

Cited by 1 publication

(2 citation statements)

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“…Articular disc: the anterior border contains significantly fewer collagen fibers than the anterior border and the central region, which have little or no metallurgical fibers [ 23 ]. On the posterior edge, as it is a fixation region, there is a greater density of these metallic fibers [ 17 ]. Due to this fibrous density, characteristic of the tissue in the posterior region of the articular disc, in MRI exams the region presents a higher image density, which could influence the tons of gray in the matrix chosen for the study.…”

Section: Methodsmentioning

confidence: 99%

“…The inability to demonstrate articular disc perforations is a limitation of MRI [ 16 , 17 ]. However, it is known that when images demonstrate a reduction in joint space caused by the contact between the bones that comprise the TMJ, these images are associated with degenerative joint disease and are indirect signs that there is perforation of the articular disc that can be observed on T2-weighted images, including joint effusion [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Texture Analysis of Temporomandibular Joint Disc Changes Associated with Effusion Using Magnetic Resonance Images

Girondi,

de Castro Lopes,

Ogawa

et al. 2024

Dentistry Journal

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The purpose of this study was to identify changes in the temporomandibular joint disc affected by effusion by using texture analysis of magnetic resonance images (MRIs). Methods: A total of 223 images of the TMJ, 42 with joint effusion and 181 without, were analyzed. Three consecutive slices were then exported to MaZda software, in which two oval ROIs (one in the anterior band and another in the intermediate zone of the joint disc) were determined in each slice and eleven texture parameters were calculated by using a gray-level co-occurrence matrix. Spearman’s correlation coefficient test was used to assess the correlation between texture variables and to select variables for analysis. The Mann–Whitney test was used to compare the groups. Results: The significance level was set at 5%, with the results demonstrating that there was no high correlation between the parameter directions. It was possible to observe a trend between the average parameters, in which the group with effusion always had smaller values than the group without effusion, except for the parameter measuring the difference in entropy. Conclusion: The trend towards lower overall values for the texture parameters suggested a different behavior between TMJ discs affected by effusion and those not affected, indicating that there may be intrinsic changes.

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Section: Methodsmentioning

confidence: 99%