Fluorescence imaging based portable early-stage tooth decay diagnosis device and diagnosis method
A diagnostic device and fluorescence imaging technology, applied in the field of dental treatment, can solve the problems of inability to quantitatively detect the degree of caries, real-time detection, and expensive detection equipment
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[0025] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.
[0026] A portable early caries diagnosis device based on fluorescence imaging, comprising: an excitation light source 2 for illuminating teeth 1, an optical filter 3 for receiving autofluorescence generated by teeth 1 or dental plaque, an optical lens 4 for receiving filtered fluorescence, The CCD image sensor 5 that receives the fluorescence passing through the optical lens 4, the FPGA hardware circuit 6 that converts the data of the CCD image sensor 5 into signals, and the image analysis and diagnosis platform 7 that receives the converted signals and outputs images. The excitation light can be filtered out by selecting a filter, and the signal-to-noise ratio of the system can be improved by using an optical lens.
[0027] Information transmission is performed between the FPGA hardware circuit 6 and the image analysis and diagnosis plat...
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