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Theoretical Study of the Effect of Enamel Parameters on Laser-Induced Surface Acoustic Waves in Human Incisor

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Abstract

The laser ultrasound technique has great potential for clinical diagnosis of teeth because of its many advantages. To study laser surface acoustic wave (LSAW) propagation in human teeth, two theoretical methods, the finite element method (FEM) and Laguerre polynomial extension method (LPEM), are presented. The full field temperature values and SAW displacements in an incisor can be obtained by the FEM. The SAW phase velocity in a healthy incisor and dental caries is obtained by the LPEM. The methods and results of this work can provide a theoretical basis for nondestructive evaluation of human teeth with LSAWs.

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Acknowledgments

This paper is supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20103219120040), the National Natural Science Foundation of China (Grant No. 61108013), the Fundamental Research Funds for the Central Universities (Grant No. 30920140132039), and the Natural Science Foundation of Jiangsu province, China (Grant No. BK2011695).

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Authors and Affiliations

  1. Faculty of Science, Nanjing University of Science and Technology, Nanjing , 210094, Jiangsu, People’s Republic of China

    Ling Yuan, Kaihua Sun, Zhonghua Shen, Xiaowu Ni & Jian Lu

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  1. Ling Yuan
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  2. Kaihua Sun
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  3. Zhonghua Shen
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  4. Xiaowu Ni
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  5. Jian Lu
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Correspondence to Zhonghua Shen.

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Yuan, L., Sun, K., Shen, Z. et al. Theoretical Study of the Effect of Enamel Parameters on Laser-Induced Surface Acoustic Waves in Human Incisor. Int J Thermophys 36, 1057–1065 (2015). https://doi.org/10.1007/s10765-014-1650-0

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  • DOI: https://doi.org/10.1007/s10765-014-1650-0

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