Ultrasound Diagnosis of Temporomandibular Joint in Patients With Craniomandibular Dysfunctions

Dimova-Gabrovska, Мariana; Dimitrova, Desislava; Yordanov, Bozhidar; Apostolov, Nickolay; Peev, Todor

doi:10.5272/jimab.2019252.2563

Cited by 3 publications

(2 citation statements)

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“…The following-up of TMJ alterations in dynamics is a significant advantage for making an accurate diagnosis, selecting an effective treatment method, and adequate assessment of recovery processes. All this may greatly enhance the quality of the dental practitioner’s work and treatment outcome of functional pathologies of the masticatory system [ 26 ].…”

Section: Discussionmentioning

confidence: 99%

Hand-Carried Ultrasonography Instrumentation in the Diagnosis of Temporomandibular Joint Dysfunction

Severino

Caruso

Rastelli

et al. 2021

MPs

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Internal derangement (ID) in the temporomandibular joint (TMJ) is defined as a mechanical problem of the joint that interferes with its function. It is attributed to an abnormal interaction among the articular disc, condyle, and joint eminence. The aim of this study is to evaluate diagnostic efficacy of non-invasive hand-carried ultrasonography instrumentation (US) to provide high-level images for a correct diagnosis of ID. Twenty-eight ID patients, 15 female and 13 males, were examined both clinically and by MRI images in order to achieve a diagnosis of ID (using Helkimo index). Then, they were submitted to US examination with a 12 MHz transducer by using hand-carried instrumentation by a clinician that was blind to their diagnosis and clinical data. TMJ US examination was performed with the mouth closed and mouth open, with proper technique. Each position was then evaluated with two different orientations of the transducer. US showed acceptable results in identifying bone structures. Lower values of diagnostic efficacy were obtained for disc position during joint movements with respect to MRI images. MRI still represents the gold standard for the identification of joint structures. If not corroborated by clinical and anamnestic data, the diagnostic efficacy of US in identifying the position of the disc during opening and closing jaw movements appears limited than compared to MRI.

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Section: Discussionmentioning

confidence: 99%

Hand-Carried Ultrasonography Instrumentation in the Diagnosis of Temporomandibular Joint Dysfunction

Severino

Caruso

Rastelli

et al. 2021

MPs

View full text Add to dashboard Cite

show abstract

“…As for the ultrasound techniques, a standardized protocol is required for better reproducibility and clinical feasibility. Previous studies had indicated that HR-US with a frequency higher than 12 MHz could differentiate the tissues in more detail and therefore achieve better diagnostic performance ( 20 , 21 ). The transducer was normally placed anterior to the tragus and oriented horizontally or longitudinally ( 7 , 8 , 13 ).…”

Section: Discussionmentioning

confidence: 99%

Diagnostic efficacy of quantitative ultrasonography for anterior disc displacement of the temporomandibular joint

Li,

Zhou,

Shi

et al. 2023

Quant Imaging Med Surg

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Background Ultrasonography has been applied as an alternative method in the assessment of temporomandibular joint (TMJ) pathology including anterior disc displacement (ADD). However, a concrete screening or diagnostic method which is feasible in clinical practice has not yet been established. The study aimed to establish a quantitative ultrasonographic method and determine its diagnostic efficacy for ADD of the TMJ. Methods A total of 75 joints were allocated to either the normal disc position (NDP) group or the ADD group using magnetic resonance imaging (MRI) as the reference standard. Longitudinal scans of the lateral articular compartment were obtained by a 14-MHz L-shaped linear array transducer. The width of the lateral joint space (LJS), the upper lateral joint space (ULJS), and the lower lateral joint space (LLJS), as well as the position of the lateral articular disc edge (ADE), were investigated by stepwise logistic regression analysis to identify significant indicators of ADD and to build a diagnostic model. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and diagnostic accuracy were computed at the optimal cut-off value. Results MRI detected 25 joints in the NDP group and 50 joints in the ADD group. Correlation analysis indicated that all 4 variables were associated with ADD. With the best performance of the area under the receiver operating characteristic (ROC) curve (AUC) of 0.939, LJS and ULJS were identified as predictors of ADD and subsequently adopted to build a diagnostic model by stepwise logistic regression. The optimal cut-off value of the 2-variable regression model for diagnosing ADD was 0.800, with a sensitivity of 82%, specificity of 96%, PPV of 97.6%, NPV of 72.7%, and an accuracy of 86.7%. Conclusions The quantitative ultrasonographic diagnostic method showed promising diagnostic efficacy. It has the potential to be used for ADD screening in future clinical practice.

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Instrumental methods of diagnostics of temporomandibular joint disorders

Kazarian,

Bekreev,

Bykova

et al. 2024

Stomatol. vseh

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Temporomandibular joint (TMJ) disorders are a common problem in clinical dentistry and are often asymptomatic in the initial stages. In this regard, TMJ pathology is often diagnosed at late stages when patients are referred and examined for other dental diseases. Untimely diagnosis of TMJ diseases leads to the development of a number of complications that reduce the quality of life of patients. The asymptomatic course of TMJ diseases and insufficient informativeness of clinical examination make it necessary to perform additional (instrumental) methods of examination. Given the complexity of the anatomical structure of the joint, it is most appropriate to use a comprehensive approach to the examination of patients with TMJ disorders. This review article is devoted to the evaluation of the effectiveness of imaging and functional methods of diagnosis of TMJ pathology.

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Ultrasound Diagnosis of Temporomandibular Joint in Patients With Craniomandibular Dysfunctions

Cited by 3 publications

References 0 publications

Hand-Carried Ultrasonography Instrumentation in the Diagnosis of Temporomandibular Joint Dysfunction

Hand-Carried Ultrasonography Instrumentation in the Diagnosis of Temporomandibular Joint Dysfunction

Diagnostic efficacy of quantitative ultrasonography for anterior disc displacement of the temporomandibular joint

Instrumental methods of diagnostics of temporomandibular joint disorders

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