1Comparasion of the biological characteristics of normal and inflammatory periodontal ligament stem cells from the same donorZHANG Lin-lin, BI Chun-sheng, CHEN Fa-ming, JIN Yan1-72Effects of microgroove surface morphology on the expression of intergrin α5 and intergrin β1 in human gingival fibroblastsLAI Ying-zhen, LIN Shan, CHEN Jiang8-143Differential expression of histamine and histamine receptor 1 in rats with periodontitisFENG Xiao-qian, ZHANG Gang, ZHANG Hui-yu, FENG Xiao-dan, ZHANG Ping, TAN Ying-hui15-194The effects of one-visit occlusal rehabilitation on the expression of injury-sensitive proteins in rat′s masseter muscleCUI Jie, YU Shi-bin, HE Hui-ming, ZHANG Chun-bao20-23,275The effects of Schisandrin A on the virulence factors of enterococcus faecalisCUI Hong, XU Ying, WU Qing24-276In vitro study of the wear behavior of five posterior composite resinsWANG Wan-shan, LI Jing, LI Shi-jie, LI Shi-bao, ZHAO Xin-yi28-337Effects of curing methods of total etching dentin adhesive on the microleakage of Ceramage polymerization porcelain inlayZHANG Lei34-36,408An investigation of dental caries status of 5-year-old Zang nationality children and their parents′oral health knowledge in Tewo County,Gansu ProvinceZHU Yan-yan, HU Xiao-pan, LI Zhi-qiang37-409Rehabilitation of dentition defect with severe teeth attrition using implant-supported prosthesis combined with conventional prosthesisLUO Xin-yu, NI Feng, BO Quan-min, PIAO Dong-xin41-4410Case definition of periodontitis:A reviewPEI Xi-yan, OUYANG Xiang-ying, HE Lu45-5111Oxidative stress and antioxidant defense system in the development of chronic periodontitisZHANG Xin-yi, LI Meng, SUI Bing-dong, LIU Qi, ZHAO Xin-yi52-5612Teaching experience of cinical practice in pediatric dentistryWU Li-an, BAI Yu-di, WANG Xiao-jing, YUAN Lin-tian, HUANG Jing, WEN Ling-ying57-58