Theoretical analysis of dental demineralization using photothermal radiometry

A. Mandelis; A. Matvienko; S. H. Abrams

doi:10.1117/12.763695

28 February 2008 Theoretical analysis of dental demineralization using photothermal radiometry

A. Mandelis, A. Matvienko, S. H. Abrams

Proceedings Volume 6856, Photons Plus Ultrasound: Imaging and Sensing 2008: The Ninth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics; 68560W (2008) https://doi.org/10.1117/12.763695
Event: SPIE BiOS, 2008, San Jose, California, United States

Abstract

A coupled diffuse-photon-density-wave and thermal-wave theoretical model was developed to describe the biothermophotonic phenomena in a turbid medium under photothermal radiometry experimental conditions. The solution of the radiative transport equation in the limit of the diffuse-photon-density field was considered as a source term in the thermal-wave field equation. The model was used to analyze laser induced photothermal phenomena in a demineralized tooth sample as a function of depth. The analysis is based on a three-layer approach (demineralized enamel + healthy enamel + dentin) and considering the influence of thermal and optical properties of each layer on the resulting optical and thermal field.

Citation Download Citation

A. Mandelis, A. Matvienko, and S. H. Abrams "Theoretical analysis of dental demineralization using photothermal radiometry", Proc. SPIE 6856, Photons Plus Ultrasound: Imaging and Sensing 2008: The Ninth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics, 68560W (28 February 2008); https://doi.org/10.1117/12.763695

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