1Digital dental restoration with chair-side CAD/CAMBAO Xu-dong, GAO Xue-junSYMPOSIUM321-3252Application of precision diagnosis and treatment technology based on cone beam CT in endodonticsLI Yue, WANG Tie-meiSYMPOSIUM326-3303Application of CAD/CAM ceramic inlay in vital pulp tooth restorationGUO Jia-jie, QIU Li-hongSYMPOSIUM331-3344Applications of micro-computed tomography in endodonticsWANG Xue-meiSYMPOSIUM335-338,3435Application of cone beam CT in endodonticsZHAN Fu-liangSYMPOSIUM339-3436Clinical survey of tooth agenesis in the outpatients of pediatric dentistryZHU Shu, LIU Yao, CHEN Xu, ZENG Min-minORIGINAL CONTRIBUTIONS344-3477A CBCT comparative study on the features of temporomandibular joint morphology of patients with different sagittal skeletal patternsCUI Yan, TANG Tian-qi, LIU LinORIGINAL CONTRIBUTIONS348-3538Study on fracture resistance of different lithium disilicate materialsYI Zhe, LI Ke-meng, AI Hong-junORIGINAL CONTRIBUTIONS354-3579Clinical study of contralateral facial artery pedicle nasolabial island flap for reconstruction of defect after resection of tongue carcinoma in 6 casesZHENG Yi, TANG Hong-yi, CHEN Jing-huaORIGINAL CONTRIBUTIONS358-36110Oral health survey in students of middle and primary schools in Lhasa of TibetORIGINAL CONTRIBUTIONS362-36411Study on the effect of intracoronal acid etching on the color of bovine teeth in vitro after teeth bleachingGUAN Li-yan, ZHANG Ying, Wang XiORIGINAL CONTRIBUTIONS365-36712Research progress of hydrophilicity enhancement of titanium implant surfaceGENG Shuang-shuang, ZHAO Bao-hongREVIEW368-37213Research progress of the paracrine effects of mesenchymai stem cells and its application in the regeneration of craniomaxillofacial boneWANG Gui-ling, QIU Li-hong, PANG Xi-ningREVIEW373-37814Research advance of osteoradionecrosis of jawsBAO Dong-yu, LU YongREVIEW379-38215@@383-384 