[1] LIANG Jingping. Research progress of dental plaque biofilm characteristics[J]. Journal of Shanghai Jiaotong University: Medical Science, 2007, 27(2): 123-127.
[2] XU Xiaojuan, LIU Luchuan, YUAN Ruo, et al. Preparation of Micro pH Electrode and Its Application in plaque pH detection[J]. Oral Medicine, 2006, 26(4): 290-292.
[3] GONG Yun, FU Xiangkai, XIE Bing, et al. Development of different forms of plaque disclosing agent[J]. Southwest China Normal University: Natural Science Edition, 2002, 27(6): 918-921.
[4] Lü Shengyi, SHI Qing, YANG Shenghui, et al. Detection of suspected periodontal pathogens of puberty gingivitis patients[J]. Chinese Journal of Stomatology, 2008, 43(12): 737-740.
[5] ZHI Qinghui, LIN Huancai, ZHANG Rong, et al. Arbitrarily primed PCR detection of Streptococcus mutans and Streptococcus sobrinus existed in high incidence of caries and caries-free children's plaque[J]. Chinese Journal of Stomatology, 2007, 42(4): 219-222.
[6] LIU Dali, YUAN Shifen, WANG Xiaoping, et al. Detection and influencing factors of dental plaque pH values[J]. Modern Medical Journal, 2001, 15(6): 468-470.
[7] Lussi A, Imwinkelried S, Pitts N B, et al. Performance and reproducibility of a laser fluorescence system for detection of occlusal caries in vitro[J]. Caries Research(S1421-976X), 1999, 33(4): 261-266.
[8] Angmar-Mansson B, Bosch J J. Quantitative light-induced fluorescence (QLF): a method for assessment of incipient caries lesions[J]. Dentomaxillofacial Radiology(S0250-832X), 2001, 30(6): 298-307.
[10] CHEN Qingguang, LIN Bin, CHEN Zhebo, et al. Pilot study on early detection of dental demineralization based on laser induced fluorescence[J]. Laser Physics Letters(S1612-202X), 2010, 10(7): 752-756.
[11] Koenig K, Hibst R, Meyer H, et al. Laser-induced auto-fluorescence of carious regions of human teeth and caries-involved bacteria [C]// Europto Biomedical Optics' 93. International Society for Optics and Photonics, 1993: 170-180.
[12] XU Jingou, WANG Zunben. Fluorescence Analysis [M]. Beijing: Science Press, 2006: 12-13.
[13] YU Daoyin, TAN Hengying. Engineering Optics [M]. Beijing: China Machine Press, 2006: 90-91.
[14] MING Jun, YAN Guohua, YANG Yang, et al. Common method for calculating the parameters of the imaging tricolor[J]. TV Technology, 2009, 33(z2): 131-132.
[15] QI Lina, ZHANG Bo, WANG Zhankai. Application of OTSU method in image processing[J]. Radio Engineering, 2006, 36(7): 25-26.
[16] ZHANG Xianjun, YANG Zhijun, DONG Jun, et al. A smoothing method of Calligraphic inscriptions text outline based on fourier descriptors [C]// Fifth Intelligent CAD and Digital Entertainment Conference Proceedings, 2008: 32-37.