1Digital technique in all ceramic esthetic restorationsLUO Xiao-pingSYMPOSIUM449-4512Classification of intra-oral scanner digital impression system and its applicationHUANG Wan-yi, ZHAN De-songSYMPOSIUM452-4573Development of full-contour zironia prosthesesZHAN De-song, WANG Xin-tongSYMPOSIUM458-4624Medical complications and their management after subgingival scaling and root planingZHANG Dong-mei, PAN Jia-yu, XU Qiu-fang, XU Wan-yueEXPERT EXPERIENCE463-4665Clinical evaluation of the monolithic zirconia crown applied to esthetic fixed dental prosthesesXIE Hui-xin, ZHAN De-songORIGINAL CONTRIBUTIONS467-4716Correlation between obesity and periodontitis in middle-aged and elderly population in UrumqiRexidan·A Bu-dureyimu, Muhuyati, Gulinuer·A Wu-ti, ZHANG Lei, Dilinue·Aji, Paziliya·Tudahong, Kadeerya·AilaitiORIGINAL CONTRIBUTIONS472-475,4797Clinical effect of a new type resin cement on restoring single tooth loss with cobalt-chromium alloy resin-bonded bridge: an observation on 12 casesLI Qiu-shi, LI Jiang, LI Hong-yan, ZHOU Yan-minORIGINAL CONTRIBUTIONS476-4798Curative effect analysis of minocycline hydrochloride sustained release agent combined with Vitapex in the treatment of elderly patients with chronic periodontitis complicated with pulp lesionsLIU Yu-ming, DUAN Chang-hua, ZHAI Wei-dongORIGINAL CONTRIBUTIONS480-4839Effects of different concentrations of oxygen inhalation on pulmonary function and inflammatory factors in pediatric patients with maxillofacial surgeryCUI Hai-bin, ZHANG QianORIGINAL CONTRIBUTIONS484-48710Effectiveness of different irrigant activation protocols on smear layer removal : an in vitro studyXU Cheng-yu, GE Jiu-yuORIGINAL CONTRIBUTIONS488-49211The clinical role of Maraviroc in the salivary adenoid cystic carcinoma cellsLI Tian-yi, SHEN Zhi-yuanORIGINAL CONTRIBUTIONS493-49612Research progress in the pathogeny and pathogenesis of Sj(o)gren syndromeHUANG Si-jing, WANG Zan, ZHONG MingREVIEW497-50113Research into the biological activity of vascular smooth muscle cells influenced by Porphyromonas gingivalisWU Zhi-yao, ZHANG Ming-zhuREVIEW502-50614@@507-51015@@511-51216@@451,457,462,466,510,512 