Moiré interferometric investigation on the role of hydration in the mechanical behavior of dentine

Anil Kishen; Anand Asundi

doi:10.1117/12.621895

12 April 2005 Moire interferometric investigation on the role of hydration in the mechanical behavior of dentine

Anil Kishen, Anand Asundi

Proceedings Volume 5852, Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics; (2005) https://doi.org/10.1117/12.621895
Event: Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics, 2004, -, Singapore

Abstract

This study was conducted to investigate the mechanical behavior of dehydrated and rehydrated dentine using a digital moire interferometry. It was observed from this experiment that structural dentine demonstrated distinct strain gradients in the direction parallel and perpendicular to the dentinal tubules. During compressive loading, the rehydrated dentine displayed strain response characteristic of a tough material, while the dehydrated dentine showed strain response characteristic of a brittle material. Dehydration resulted in higher stiffness and reduced toughness in dentine structure. These experiments highlighted that the presence of water considerably influenced the mechanical behavior of structural dentine.

Citation Download Citation

Anil Kishen and Anand Asundi "Moire interferometric investigation on the role of hydration in the mechanical behavior of dentine", Proc. SPIE 5852, Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics, (12 April 2005); https://doi.org/10.1117/12.621895

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