1Immediate implant placement of anterior teethGONG PingImmediate implant placement193-1972Applications of bone augmentation techniques at immediate implant placementZHOU LeiImmediate implant placement197-2023Processing of the gap around implants in molar immediate implantationZHOU Yan-min, SUN Xiao-linImmediate implant placement202-2054Soft tissue management over immediate dental implantationXIA Hai-bin, YU Ling-meiImmediate implant placement206-2095Effect of Porphyromonas gingivalis on the expression of MMP-1 and TIMP-1 in human periodontal ligament fibroblastsPAN Chun-ling, LIU Jun-chao, PAN Ya-ping, ZHONG MingORIGINAL CONTRIBUTIONS210-2136Cytotoxicity of photodynamic therapy with two different formulations of methylene blue on human periodontal ligament fibroblasts in vitroHUANG Xiao-jing, WANG Yan-huang, GUO Xiao-xiaORIGINAL CONTRIBUTIONS214-2187Effect of pure titanium surface prepared by plasma electrolytic oxidation on the proliferation and differentiation of osteoblastsZHAO Bao-hong, FENG Wei, ZHANG Wei, JIANG Lu-lu, ZHANG Jiao, LIN Zeng, DENG Chun-fuORIGINAL CONTRIBUTIONS219-2228The research about curative effect of different impression materials used for making functional impression to repair distal extension absenceZHANG Ling, YANG Zhi-fen, ZHAO Bin, WU Feng, ZHAO Dong, LI QianORIGINAL CONTRIBUTIONS223-2259Controlled hypotension with total intravenous anesthesia combined with nicardipine in application to orthognathic surgeryHAO Jie, ZHANG QianORIGINAL CONTRIBUTIONS226-228,23110Comparison of the performance of fuchsin solution at three kinds of concentration in the microleakage detection experiments of obturatorLI Jie, WANG Wan-chun, WU Shuang-yan, SUN De-gangORIGINAL CONTRIBUTIONS229-23111One-year clinical observation of colchicines in the treatment of recurrent aphthous ulcerHE Hai-bo, ZHANG Zhi-wen, RUI Ju-hua, PAN JieORIGINAL CONTRIBUTIONS232-23412Early alterations of alveolar ridge following immediate implant placementLI JingREVIEW235-23913Advance of the study about biomechanics in dental implant designJIANG Lu-luREVIEW240-24414Clinical study in the treatment of skeletal Class Ⅲ malocclusion in permanent dentitionXIAO Rui, WANG LeiREVIEW245-248 