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Keywords = elastography in dentistry

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11 pages, 2617 KiB  
Article
Shear Wave Elastography in Bruxism—Not Yet Ready for Clinical Routine
by Cem Toker, Justus Marquetand, Judit Symmank, Ebru Wahl, Fabian Huettig, Alexander Grimm, Benedict Kleiser, Collin Jacobs and Christoph-Ludwig Hennig
Diagnostics 2023, 13(2), 276; https://doi.org/10.3390/diagnostics13020276 - 11 Jan 2023
Cited by 8 | Viewed by 2405
Abstract
Ultrasound shear wave elastography (SWE) is an emerging modality for the estimation of stiffness, but it has not been studied in relation to common disorders with altered stiffness, such as bruxism, which affects almost one-third of adults. Because this condition could lead to [...] Read more.
Ultrasound shear wave elastography (SWE) is an emerging modality for the estimation of stiffness, but it has not been studied in relation to common disorders with altered stiffness, such as bruxism, which affects almost one-third of adults. Because this condition could lead to an increased stiffness of masticatory muscles, we investigated SWE in bruxism according to a proof-of-principle and feasibility study with 10 patients with known bruxism and an age- and gender-matched control group. SWE of the left and right masseter muscles was estimated under three conditions: relaxed jaw, 50% of the subjective maximal bite force, and maximal jaw opening. Rejecting the null hypothesis, SWE was significantly increased during relaxed jaw (bruxism 1.92 m/s ± 0.44; controls 1.66 m/s ± 0.24), whereas for maximal mouth opening, the result was vice versa increased with 2.89 m/s ± 0.93 for bruxism patients compared with 3.53 m/s ± 0.95 in the healthy control, which could be due to limited jaw movement in chronic bruxism patients (bruxism 4.46 m/s ± 1.17; controls 5.23 m/s ± 0.43). We show that SWE in bruxism is feasible and could be of potential use for diagnostics and monitoring, though we also highlight important limitations and necessary methodological considerations for future studies. Full article
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