Analysis of Compressive Properties of Porcine Temporomandibular Joint Disc

Since the temporomandibular joint (TMJ) disc material exhibits a non-homogenous and viscoelastic structure, the compressive properties in five different regions of eleven porcine TMJ discs were investigated over a wide range of loading frequencies. The results obtained suggest that the dynamic visco...

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Published in:Key engineering materials 2014-01, Vol.592-593, p.354-357
Main Authors: Lamela, María Jesús, Tanaka, Eiji, Canteli, Alfonso Fernández, Fernández, Pelayo, Ramos, Alberto
Format: Article
Language:English
Subjects:
Compressive modulus
Compressive properties
Discs
Disks
Dynamics
Loads (forces)
Modulus of elasticity
Viscoelasticity
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Tanaka, Eiji
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Ramos, Alberto
description Since the temporomandibular joint (TMJ) disc material exhibits a non-homogenous and viscoelastic structure, the compressive properties in five different regions of eleven porcine TMJ discs were investigated over a wide range of loading frequencies. The results obtained suggest that the dynamic viscoelastic compressive modulus is region-specific and depends on the loading frequency, thus having important implications for the transmission of load in the TMJ. The dynamic storage and loss moduli increase with frequency, the highest values being attained at the posterior region, followed by the central and anterior regions. Loss tangent, tan δ, ranged from 0.20 to 0.35, which means that the disc is primarily elastic in nature and has a small but not negligible viscosity.
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subjects Compressive modulus
Compressive properties
Discs
Disks
Dynamics
Loads (forces)
Modulus of elasticity
Viscoelasticity
title Analysis of Compressive Properties of Porcine Temporomandibular Joint Disc
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