Orthodontic forces sensing with polymer PCF

M. S. Milczewski; C. Martelli; J. Canning; H. J. Kalinowski; J. A. Simões; Michael Stevenson; P. Talaia

doi:10.1117/12.738594

2 July 2007 Orthodontic forces sensing with polymer PCF

M. S. Milczewski, C. Martelli, J. Canning, H. J. Kalinowski, J. A. Simões, Michael Stevenson, P. Talaia

Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 66191M (2007) https://doi.org/10.1117/12.738594
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy

Abstract

Orthodontic forces are measured using a polymer photonic crystal fibre sensor. Transversal pressure deforms the fibre structure proportionally to the applied load causing light to leak out. The characterization for transversal pressure demonstrates linear behaviour within the studied load range 0.09 to 4.7 N. For the orthodontic measurements the sensor is placed between the orthodontic appliance and only one tooth. Loads ranging over 0.98 to 8.82 N, simulating extra oral appliances, are applied over the orthodontic system at the first molar region. The surface of the tooth experiences forces ranging from 0 to ~0.63 N compatible with forces required for dental movement.

Citation Download Citation

M. S. Milczewski, C. Martelli, J. Canning, H. J. Kalinowski, J. A. Simões, Michael Stevenson, and P. Talaia "Orthodontic forces sensing with polymer PCF", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66191M (2 July 2007); https://doi.org/10.1117/12.738594

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