3D photomechanical model of tooth enamel ablation by Er-laser radiation

Andrey V. Belikov; Ksenia V. Shatilova; Alexei V. Skrypnik

doi:10.1117/12.2037761

20 February 2014 3D photomechanical model of tooth enamel ablation by Er-laser radiation

Andrey V. Belikov, Ksenia V. Shatilova, Alexei V. Skrypnik

Proceedings Volume 8929, Lasers in Dentistry XX; 89290A (2014) https://doi.org/10.1117/12.2037761
Event: SPIE BiOS, 2014, San Francisco, California, United States

Abstract

The three-dimensional (3D) photomechanical model of human tooth enamel ablation is described. It takes into account: the structural peculiarities of enamel, Er-laser beam energy spatial distribution and laser radiation attenuation in the tissue. Dynamics change of enamel coefficient of absorption during ablation is also discussed. We consider the 3D photomechanical model of incomplete removal (modification) of the enamel rods by the pressure of water contained in the enamel pores and heated by laser radiation, and complete removal (ablation) of the enamel rods as result of hydroxyapatite heated by laser radiation and evaporation. Modeling results are in close agreement with the experimental results.

Citation Download Citation

Andrey V. Belikov, Ksenia V. Shatilova, and Alexei V. Skrypnik "3D photomechanical model of tooth enamel ablation by Er-laser radiation", Proc. SPIE 8929, Lasers in Dentistry XX, 89290A (20 February 2014); https://doi.org/10.1117/12.2037761

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