Analysis of Compressive Properties of Porcine Temporomandibular Joint Disc

María Jesús Lamela; Pelayo Fernández; Alberto Ramos; Alfonso Fernández Canteli; Eiji Tanaka

doi:10.4028/www.scientific.net/KEM.592-593.354

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 592-593Analysis of Compressive Properties of Porcine...

Analysis of Compressive Properties of Porcine Temporomandibular Joint Disc

Abstract:

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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Key Engineering Materials (Volumes 592-593)

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354-357

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.592-593.354

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Online since:

November 2013

Authors:

María Jesús Lamela*, Pelayo Fernández, Alberto Ramos, Alfonso Fernández Canteli, Eiji Tanaka

Keywords:

Biomaterial, Dynamic Viscoelastic Properties, Mechanical Characterization

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