1Demineralization and rmineralization: major processes of dental caries A review of caries research in last centuryYUE Song-ling1-82The effect of baicalin extract on the activity of alkaline phosphatase of periodontal ligament fibroblasts inhibited by Porphyromonas gingivalis membrane vesiclesZHANG Liang, TANG Rong-yin, NI Long-xin9-113Role of root canal microscope in the detection of mesiobuccal 2nd canal (MB2) of extracted maxillary first molarSHA Xin-jia, SUN Han-tang, ZHANG Ya-qing12-144Optimum design and analysis of the thread height and width of the cylinder implantWANG Long, FAN Yang, XUE Xin-min, HUANG Yong-qing15-195Comparative efficacy of photodynamic therapy for periodontal disease between gendersWANG Yin, LIN Zhi, ZHANG Xiu-hua, DING Xi, CHEN Hong, ZHU Xing-hao, WANG Jin-bu, LI Yin-min, S.LEE, J.KIM, DEN Hui20-236Scanning electronic microscpy observation of root surfaces after combining ultrasonic scaling with hand scalingLI Wei-Ii, XU Jing-ling24-277Comparison of the fluoride release from four glass- ionomer cements in vitroZHANG Jun, PENG Bin28-308Evidence- based medicine analysis of topical fluoride therapies on caries prevention in ChinaLI Cai, HAO Yu-qing, ZHOU Xue-dong31-349Investigation on orthodontic patients' expected valueZHAO Lin-jie, SHAO Jin-lin, YANG Xiang-ju, ZHANG Yu-hai35-3710A retrospective analysis of the effects of endodontic treatment and its influencing factorsCHEN ZHI-MING38-4111Clinical analysis of the quality of digital dental imagesZENG Dong-lin, WEN Yi-xiong, CUI Min-yi, TU Zhi-ping42-4512The correlation between oral disease and pregnancy50-5213Advances in investigation of calcified root canal and is's therapyZHANG Lie, WU Pei-lin53-5514The investigation of the application of Plaster- Tooth Sculpture- Courses and some reflectionsYU Shi-bin, WANG Mei-qing, XING Xiang-hui, WANG Xin-wen, ZHANG Jun-hua56-59