Fibre Bragg grating sensing and finite element analysis of the biomechanics of the mandible

J. C. C. Silva; A. Ramos; L. Carvalho; R. N. Nogueira; A. Ballu; M. Mesnard; J. L. Pinto; Hypolito Jose Kalinowski; J. A. Simoes

doi:10.1117/12.623451

23 May 2005 Fibre Bragg grating sensing and finite element analysis of the biomechanics of the mandible

J. C. C. Silva, A. Ramos, L. Carvalho, R. N. Nogueira, A. Ballu, M. Mesnard, J. L. Pinto, Hypolito Jose Kalinowski, J. A. Simoes

Author Affiliations +

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623451
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

This paper describes the application of fibre Bragg grating (FBG) sensors to measure strains at the outer surface of a mandible. The strains were correlated to identical ones obtained with a numerical finite element model. For this purpose, a synthetic mandible was used and 4 Bragg sensors were glued to the mandible. Strain patterns were assessed for different load configurations which included the forces of the masseter and temporal muscles and occlusion loads on different tooth (incisor, canine and molar). Overall the strains obtained using different measuring methods were identical, namely for the case of symmetric loading. When loading was non-symmetric, strain differences were observed at one sensor.

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J. C. C. Silva, A. Ramos, L. Carvalho, R. N. Nogueira, A. Ballu, M. Mesnard, J. L. Pinto, Hypolito Jose Kalinowski, and J. A. Simoes "Fibre Bragg grating sensing and finite element analysis of the biomechanics of the mandible", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623451

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