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    National Tsing Hua University Institutional Repository > 原子科學院  > 工程與系統科學系 > 會議論文  >  A self-adaptive fluidic probe for electrical caries detection

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/47199

    Title: A self-adaptive fluidic probe for electrical caries detection
    Authors: Chang, S.-H.;Su, Y.-C.
    教師: 蘇育全
    Date: 2007
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: 2008 21st IEEE International Conference on Micro Electro Mechanical Systems - MEMS '08, 2007, Pages 248-51
    Keywords: electrical-impedance
    Abstract: This paper presents a fiuidic probe that can self-adapt its shape to teeth and detect dental caries by sensing the variation in electrical-impedance. The fiuidic probe, whose liquid tip spontaneously spreads on hydrophilic tooth surface and into underlying caries, is employed to create intimate contact for impedance sensing. A tubular air sleeve shaped by the probe casing is applied around the liquid tip to insulate it from surrounding saliva, and to regulate its spreading. In the prototype demonstration, un-restored, extracted premolar teeth were investigated and the results indicated >20-fold impedance differences between sound and carious teeth, by which caries can be identified in a consistent manner. Furthermore, the fluidic probe has been successfully applied to approximal caries, which is difficult to detect by most existing schemes.
    URI: http://www.ieee.org/
    Appears in Collections:[工程與系統科學系] 會議論文

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