Acta Photonica Sinica, Volume. 39, Issue 4, 669(2010)

Analysis of Changes in Optical Parameters in Methods to Detect Dental Caries Based on the Principle of QLF

WANG Shou-tao, CHEN Qing-guang, LIN Bin*, and CAO Xiang-qun
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    The complete pathological tooth model and the criterion of caries lesion extent are established.With the programme of Monte Carlo simulation algorithm,the process of fluorescence excitation and transmission in tooth tissue is completely simulated and the relationship between the changes of optical parameters caused by the tooth tissue lesions and fluorescence distribution of QLF ia also explored.And,the legitimacy of the process above is verified using fluorescent functional of tracepro software.With the increase of lesion extent in dental caries part,the results show that the difference of fluorescence distribution between healthy and diseased tissue are increased with the increase of scattering coefficient and the reduce of absorption coefficient and fluorescence quantum efficiency.

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    WANG Shou-tao, CHEN Qing-guang, LIN Bin, CAO Xiang-qun. Analysis of Changes in Optical Parameters in Methods to Detect Dental Caries Based on the Principle of QLF[J]. Acta Photonica Sinica, 2010, 39(4): 669

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    Paper Information

    Received: Aug. 24, 2009

    Accepted: --

    Published Online: May. 24, 2010

    The Author Email: Bin LIN (wjlin@zju.edu.cn)

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