Speckle shearing pattern interferometry to assess mechanical strain in the human mandible jaw bone under physiological stress

V. Moreno; C. Vázquez-Vázquez; M. Gallas; J. Crespo

doi:10.1117/12.892165

26 July 2011 Speckle shearing pattern interferometry to assess mechanical strain in the human mandible jaw bone under physiological stress

V. Moreno, C. Vázquez-Vázquez, M. Gallas, J. Crespo

Author Affiliations +

Proceedings Volume 8001, International Conference on Applications of Optics and Photonics; 800131 (2011) https://doi.org/10.1117/12.892165
Event: International Conference on Applications of Optics and Photonics, 2011, Braga, Portugal

Abstract

Electronic Speckle Pattern Interferometry (ESPI) has been used in experiments to measure displacement on the surface of bones undergoing external forces. However in order to asses directly the derivative of the displacements a related technique, Shearography, is used. This technique has been applied in biomechanical experiments although limited to small pieces of bone to determine their elastic properties. In this work we propose the use of Shearing Speckle Interferometry to evaluate the mechanical behaviour of the human mandible under compressive stress, simulating masticatory forces or impacts, in order to analyze the strain distribution on mandibular bone.

Citation Download Citation

V. Moreno, C. Vázquez-Vázquez, M. Gallas, and J. Crespo "Speckle shearing pattern interferometry to assess mechanical strain in the human mandible jaw bone under physiological stress", Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 800131 (26 July 2011); https://doi.org/10.1117/12.892165

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