Viscoelastic properties of the central region of porcine temporomandibular joint disc in shear stress-relaxation

Barrientos, Eva; Pelayo, F.; Tanaka, Eiji; Lamela-Rey, María Jesús; Fernández‐Canteli, Alfonso

doi:10.1016/j.jbiomech.2019.06.023

Cited by 4 publications

(6 citation statements)

References 37 publications

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“…Similarly, the dynamic shear and compressive moduli of the mandibular condylar cartilage were increased nonlinearly with increasing frequency irrespective of the strain amplitude (25)(26)(27)(28)(29). Furthermore, it is accepted that the curves with the experimental top and bottom stresses in cyclic loading are close or similar to the theoretical stressrelaxation curves according to the quasi-linear viscoelastic theory (30)(31)(32).…”

Section: Aimsmentioning

confidence: 73%

“…Furthermore, dynamic shear behaviors of the TMJ disc and condylar cartilage are anisotropic (8,(33)(34)(35) (see Appendix 1). Under dynamic shear in the antero-posterior direction, a storage modulus (G') of about 1.0-1.5 MPa and a loss modulus (G") of about 0.2-0.3 MPa were found in the TMJ disc (8,32,33), while a storage modulus of 1.5-2.0 MPa and a loss modulus of 0.4-0.5 MPa were in the mandibular condylar cartilage (34,35). The dynamic shear modulus was approximately 3-5 times smaller in the medio-lateral direction than in the antero-posterior direction, which means that the TMJ disc and mandibular condylar cartilage exhibit weak in the masio-lateral shear compared to in the antero-posterior shear.…”

Section: Aimsmentioning

confidence: 99%

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Biomechanical and tribological properties of the temporomandibular joint

Tanaka¹

2021

Front Oral Maxillofac Med

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Osteoarthritis in the temporomandibular joint (TMJ-OA) is known as the end stage of TMJ disorders (TMDs), and most of TMJ-OA patients exhibit joint pain as a main symptom. TMJ-OA is a multifactorial disease, associated with articular cartilage breakdown and eventual joint destruction.Functional overloading and increased joint friction in the TMJ are recognized to induce degradation and abrasion of the joint components, leading to the onset and progression of TMJ-OA. Therefore, insight into the biomechanical and tribological properties of the articular components in the TMJ might contribute to better understanding of the etiology of TMJ degradation, leading to the development and progress of effective treatment remedy for TMJ-OA. The challenging project in TMJ biomechanics aims to identify biomechanical microenvironment in the TMJ, to develop the diagnosis system for TMDs, and to develop a new treatment remedy for TMDs including TMJ tissue engineering. The present review consists of three parts. Part I is a brief review of the biomechanical properties of the TMJ articular components. In Part II, the TMJ lubrication is explained from the viewpoint of the joint tribology. In the final remarks, the possibility of TMJ computed simulation will be discussed. Future studies with much efforts are required to measure and visualize the biomechanical microenvironment within the TMJ during mandibular movements in clinical aspect.

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Section: Aimsmentioning

confidence: 73%

Section: Aimsmentioning

confidence: 99%

Biomechanical and tribological properties of the temporomandibular joint

Tanaka¹

2021

Front Oral Maxillofac Med

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“…In the antero-posterior direction, the stretch modulus of the central zone in the TMJ disc is much lower than in the anterior and posterior bands (Teng et al, 1991). In the mediolateral directions, the compression modulus of the central part is 2-3 times larger than in its periphery (Beek et al, 2001). Additionally, the anisotropic collagen fibres intercalate with each other, presenting a net-like structure with porosity.…”

Section: Structure Properties Of the Ecmmentioning

confidence: 99%

“…Scaffold-based tissue engineering TMJ disc disc can be one tenth of its compression modulus (Barrientos et al, 2019). Tissue damage may be mainly related to long-term repeated tensile and shear stress (Iatridis and ap Gwynn, 2004).…”

Section: The Role Of Mechanical Loadingmentioning

confidence: 99%

Scaffold-based tissue engineering strategies for temporomandibular joint disc regeneration and replacement

Jiang¹,

Zhang²,

Li³

2023

eCM

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The temporomandibular joint (TMJ) disc is a fibrocartilage tissue located between the mandibular condyle and the glenoid eminence, which is central to the TMJ functions. The TMJ disc is susceptible to irreparable degenerative changes or post-traumatic injuries, which can lead to the development of a disc-related disease. Scaffold-based tissue engineering offers the potential for regeneration and replacement of the damaged TMJ disc. The present review describes the biomaterials and manufacturing technologies used in scaffold-based TMJ disc engineering strategies and comprehensively evaluates the advantages and disadvantages of each strategy. As an understanding of the extracellular matrix (ECM) is fundamental for succesful TMJ disc tissue engineering, this review defines the key properties and roles of the TMJ disc ECM. Compared with the natural disc, the mechanical properties of the tissue-engineered TMJ disc are not satisfactory. Additionally, the in vivo durability of engineered discs and their long-term impact on the entire TMJ remain to be studied, especially in large-animal preclinical trials.

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“…Otherwise, stress relaxation is conducted by applying a fixed strain and measuring the time-dependent stress reduction. 23,24 Stress relaxation as a standard test method has been frequently applied for determining the rheological behaviors of various soft tissues such as human heart valve, 25 brain tissue, 26,27 human skin, 28 bone tissue engineering scaffolds, 29 Spinal cord, 30 central region of porcine temporomandibular joint disc, 31 and rat brain tissue. 32 Therefore, in the present work in order to study the mechanical response of the heart muscle, using the widely accepted stress-relaxation test is beneficial to characterize the mechanical elements of the standard linear solid model.…”

Section: Introductionmentioning

confidence: 99%

Identifying the parameters of viscoelastic model for a gel-type material as representative of cardiac muscle in dynamic tests

Siami

Jahani

Rezaee

2021

Proc Inst Mech Eng H

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In this paper, mechanical parameters of a calf heart muscle are identified and a gel-type material as the representative of the cardiac muscle in dynamic tests is introduced. The motivation of this study is to introduce a replacement material of the heart muscle to use in experimental studies of the leadless pacemaker. A particular test setup is developed to capture the experimental data based on the stress relaxation test method where its outputs are time histories of the force and displacement. The standard linear solid model is used for mathematical modeling of the heart muscle sample and a gel-type material specimen namely α-gel. Five tests with different strain history [Formula: see text] are performed by regarding and disregarding the influence of the initial ramp of the loading. The mechanical parameters of the standard linear solid model were identified with precise curve fitting. Consideration of the initial ramp significantly influences the consequences and they are so close to their experimental counterparts. The identified parameters of the standard linear solid model by regarding the influence of the initial ramp for the gel-type material are within an acceptable range for the viscoelastic properties of the calf heart tissue. These results show that the gel-type material has the potential to represent the cardiac muscle in the leadless pacemaker experimental studies. Dynamic mechanical analysis is used to characterize the dynamic viscoelastic properties for the gel by utilizing the identified parameters with taking into account the initial ramp in the frequency domain. Results show that Storage modulus, Loss modulus, and Loss tangent are strongly frequency-dependent especially at low-frequency around the heartbeat frequency range (0–2 Hz).

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Viscoelastic properties of the central region of porcine temporomandibular joint disc in shear stress-relaxation

Cited by 4 publications

References 37 publications

Biomechanical and tribological properties of the temporomandibular joint

Biomechanical and tribological properties of the temporomandibular joint

Scaffold-based tissue engineering strategies for temporomandibular joint disc regeneration and replacement

Identifying the parameters of viscoelastic model for a gel-type material as representative of cardiac muscle in dynamic tests

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