1Diagnosis and treatment of salivary gland diseases Research progress in salivary gland diseases and salivaYU Guang-yan, HUA Hong, GUO Li-hongSYMPOSIUM129-1322Diagnosis and treatment of inflammatory parotid diseasesWANG Song-ling, DING GangSYMPOSIUM132-1353Diagnosis of salivary gland tumorsSUN Mo-yi, ZHENG JunSYMPOSIUM135-1384Applied anatomic features of parotid region and the modified surgical proceduresLI Long-jiang, ZHAO Hong-weiSYMPOSIUM138-1415Application of endoscopy to the diagnosis and treatment of salivary gland diseasesYU Chuang-qiSYMPOSIUM141-1446Studies on sialolithiasia of submandibular gland and the current status of managementZHANG Fu-yin, XIANG BinSYMPOSIUM144-1467Application of distraction osteogenesis in dental implantsGU Zhi-yuan, ZHOU Yi-qunEXPERT EXPERIENCE147-1508Construction of three-dimensional finite element models including TMJ,maxilla,mandible and dentition with MBT straight wire applianceXIANG Ya-ning, HU Min, GUO Ke-feng, LI Hong, ZHANG DaORIGINAL CONTRIBUTIONS151-1539The effect of Sliding jig on molar distalizationZHAO Zhen-jin, ZHANG YangORIGINAL CONTRIBUTIONS154-15610Effects of rhizoma drynariae on the ultramicrostructure and the activity of alkaline phosphatase of human gingival fibroblastsXU Yan-zhi, ZHU Meng-meng, WANG KunORIGINAL CONTRIBUTIONS157-16011Clinical study of gingivai overgrowth induced by calcium channel blockersZHENG Yao, WU Yong-sheng, FENG Hai-rongORIGINAL CONTRIBUTIONS161-16212Measurement of mesiodistal crown dimensions of 172 preschool childrenORIGINAL CONTRIBUTIONS163-16413Study of temporomandibular joint morphous in patients with unilateral masticatoryLI Bo, TAN Xue-xin, LI Xiao-qing, YI Xin-zhuORIGINAL CONTRIBUTIONS165-16614Effect of Vitapex apexification in inducing the root apex development of young permanent teeth.FEI Chun-yan, WANG Li-naORIGINAL CONTRIBUTIONS167-16815Treatment of impacted mandible canines by a combined orthodontic and surgery methodGUO Ya-feng, TAN Zhao-jun, LIU YiORIGINAL CONTRIBUTIONS169-170 