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Modelling of micromachining of human tooth enamel by erbium laser radiation
A. V. Belikov, A. V. Skrypnik, K. V. Shatilova
St. Petersburg National Research University of Information Technologies, Mechanics and Optics
We consider a 3D cellular model of human tooth enamel and a photomechanical cellular model of enamel ablation by erbium laser radiation, taking into account the structural peculiarities of enamel, energy distribution in the laser beam cross section and attenuation of laser energy in biological tissue. The surface area of the texture in enamel is calculated after its micromachining by erbium laser radiation. The influence of the surface area on the bond strength of enamel with dental filling materials is discussed. A good correlation between the computer simulation of the total work of adhesion and experimentally measured bond strength between the dental filling material and the tooth enamel after its micromachining by means of YAG : Er laser radiation is attained.
photomechanical cellular model, ablation, micromachining, erbium laser, human tooth enamel, adhesion.
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Quantum Electronics, 2014, 44:8, 763–769
79.20.Ds, 79.20.Eb, 42.55.Wd
A. V. Belikov, A. V. Skrypnik, K. V. Shatilova, “Modelling of micromachining of human tooth enamel by erbium laser radiation”, Kvantovaya Elektronika, 44:8 (2014), 763–769 [Quantum Electron., 44:8 (2014), 763–769]
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Belikov A.V., Shatilova K.V., Skrypnik A.V., Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine Xvi; Laser Physics and Photonics Xvi; and Computational Biophysics, Proceedings of Spie, 9448, eds. Genina E., Derbov V., Larin K., Postnov D., Tuchin V., Spie-Int Soc Optical Engineering, 2015, 94480D
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