1Role of exosomes and its research prospect in dental fieldLIU Na-na, ZHENG Yan, LIN LiSYMPOSIUM129-1332Research progress of exosomes in oral areaSHI Ya-fang, PENG Wen-ying, LIN LiSYMPOSIUM134-1393Research progress of activin A and its application prospects in the oral fieldZHENG Yan, LIU Na-na, LIN LiSYMPOSIUM140-1444MicroRNA and oral diseasesPENG Wen-ying, SHI Ya-fang, LIN LiSYMPOSIUM145-1495Evidence-based medical research in the clinical progress of regenerative endodonticsXIAO Wen, WANG JunORIGINAL CONTRIBUTIONS150-1556Expression level of human β-defensin-1,-2 and-3 in OSCC and its relationship with clinical TNM stagingFANG Li, LI Guo-yang, LIU Ting, HUANG Xiao-feng, WANG Xiang, WANG Wen-meiORIGINAL CONTRIBUTIONS156-1597Anesthesia effect of infiltration anesthesia and block anesthesia in the treatment for irreversible pulpitis : a Meta-analysisZHANG Mei, ZHANG Yao, REN Shuang-shuang, LI Wen, YU Yi-jun, MIAO Lei-yingORIGINAL CONTRIBUTIONS160-1668Three-dimensional analysis of mandibular condyle position in skeletal class Ⅲ patients with mandibular asymmetryQU Guan-lin, ZHANG Dan, YANG Ming-liang, YAN Guang-qi, ZHANG YangORIGINAL CONTRIBUTIONS167-1719Treatment effect of oral propranolol combined with topical timolol maleate for infantile parotid hemangiomasZHANG Lei, CHENG Mo-sha, BAI Xiao-feng, WANG Xu-kaiORIGINAL CONTRIBUTIONS172-17510Effect of different light-cured filling materials on marginal microleakageZHANG Ling, ZHU Lin-lin, BI JingORIGINAL CONTRIBUTIONS176-17811Comparison of the kinematic of natural condyle in temporomandibular joint and alloplastic joint prosthesisZOU Lu-xiang, HE Dong-meiREVIEW179-18512Research advances in the periodontal ligament regeneration in the avulsed toothSONG Ge, JIANG Li-ming, CHEN XuREVIEW186-189