An Improved Finite Element Model of Temporomandibular Joint in Maxillofacial System: Experimental Validation

Li, Annan; Chong, D.Y.R.; Shao, Bingmei; Liu, Zhan

doi:10.1007/s10439-022-03124-7

Cited by 6 publications

(2 citation statements)

References 38 publications

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“…Li A, Shao B, Chong DYR and Liu Z conducted research on the distribution of stresses occurring in the temporomandibular joint, taking into account the articular ligaments depending on the position of the incisors. Based on the study of 3D models of the maxilla and mandible positioned on the basis of cone-beam computed tomography and magnetic resonance imaging as well as the analysis of simulations in finite element models, they showed that in the group of patients, in whom the palatal surface of the incisors was excessively tilted towards the palate, there is an abnormal stress distribution, which is harmful to the temporomandibular joints [34].…”

Section: Discussionmentioning

confidence: 99%

Clear Aligner Treatment as a Safe Method for Treating Occlusal Trauma in Elderly Patients

Machoy,

Tomasik,

Samulak

et al. 2023

Applied Sciences

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The case report presents an interdisciplinary treatment of a 65-year-old patient in whom an improper zirconium oxide-based prosthetic crown on tooth 21 resulted in occlusal trauma, causing displacement and extrusion of the tooth as well as its increased mobility to the second degree according to the Miller scale. The change in the position of tooth 21 led to the displacement of the teeth in the lower arch. The traumatic occlusion was eliminated with a short clear aligner treatment of fourteen aligners (seven basic and seven additional) of both arches followed by aligner retention. The treatment lasted 140 days. A clinical improvement in the periodontal condition and long-term increased stabilization of the loose tooth was obtained. After one year of retention, the tooth is still stable, and no sign of periodontal disease or recurrence of the occlusal trauma is noticeable.

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Section: Discussionmentioning

confidence: 99%

Clear Aligner Treatment as a Safe Method for Treating Occlusal Trauma in Elderly Patients

Machoy,

Tomasik,

Samulak

et al. 2023

Applied Sciences

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“…The nite element method (FEM) is a numerical simulation method that has proven effective in solving complex structural mechanics problems [9]. In recent years, FEM has been widely applied in the eld of TMJ biomechanics.…”

Section: Introductionmentioning

confidence: 99%

Biomechanical Effects of Joint Disc Perforation on the Temporomandibular Joint: A 3D Finite Element Study

Gao,

Lu,

Gao

et al. 2023

Preprint

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Background:Disc perforation (DP) is a severe type of Temporomandibular Disorder (TMD). DP may induce changes in the internal stresses of the temporomandibular joint (TMJ). A systematic biomechanical analysis of TMJ DP has not been conducted in previous studies. Herein, this study attempts to investigate the biomechanical effects of different positions and sizes of DP on the TMJ using a biomechanical approach, to explore the mechanical pathogenesis of TMD. Methods: Eleven three-dimensional finite element (FE)models of the TMJ were constructed based on CBCT imaging files of a patient with DP on the left side. These models included the disc with anterior displacement of the affected TMJ and discs with different locations and sizes of perforations on the affected disc. FE methods were conducted on these models. Results: When the discs of both TMJs are in a normal position, the maxim von Mises stress (MVMS) experienced by both joints is comparable, maintaining a state of equilibrium. Anterior displacement of the disc leads to a significant increase in the MVMS in both TMJs, with the affected side exhibiting a more pronounced effect. DP occurring at the posterior band and the junction between the disc and the bilaminar region has a greater impact on the MVMS of both TMJs compared to perforations at other locations. As the size of the perforation increases, both sides of the TMJ discs, including the bilaminar regions and the condyles on the normal side, exhibit an increase in the magnitude of MVMS. Conclusions: Anterior disc displacement and DP have the potential to adversely affect the stress distribution on both sides of the TMJs. Timely management of TMD in the early stages is crucial to prevent disease progression and worsening of symptoms.

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Specific tissue engineering for temporomandibular joint disc perforation

Min,

Li,

Xiong

et al. 2024

Cytotherapy

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An Improved Finite Element Model of Temporomandibular Joint in Maxillofacial System: Experimental Validation

Cited by 6 publications

References 38 publications

Clear Aligner Treatment as a Safe Method for Treating Occlusal Trauma in Elderly Patients

Clear Aligner Treatment as a Safe Method for Treating Occlusal Trauma in Elderly Patients

Biomechanical Effects of Joint Disc Perforation on the Temporomandibular Joint: A 3D Finite Element Study

Specific tissue engineering for temporomandibular joint disc perforation

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