1Evaluation of interocclusal record of three-dimensional digital dentition model based on intraoral scannersCHEN Si-han, SU Ting-shu, ADILIJIANG· Yimiti, CHEN Ning-xin, SUN JianORIGINAL CONTRIBUTIONS409-4142Application of digital-software-assisted design in treating patients with asymmetry deformitiesWANG Xue, ZHANG Gui-rong, YANG Ming-liang, YAN Guang-qi, ZHOU QingORIGINAL CONTRIBUTIONS415-4203Analysis of the position and morphology of the bilateral condyles in the articular fossa in adolescent patients with unilateral scissors-bite posterior molarWEI Zi-ming, LIN Li-jia, LI Min-jie, WANG Ya-rongORIGINAL CONTRIBUTIONS426-4294Research on relationship between skeletal class Ⅲ malocclusion and the size of frontal sinus and maxillary sinusYANG Jie, LIU Jun, LI Duo, ZHENG Bo-wen, LIU YiORIGINAL CONTRIBUTIONS430-4335Influencing factors of the treatment with periodontal ultrasonic instrumentation for root surface defectsZHANG Li-na, REN Xiu-yunREVIEW434-4386Progress in studies on periodontal-related long noncoding RNALI Yu-ting, ZHANG Ru-ya, LIN LiREVIEW439-4437Research progress in the treatment of gestational diabetes with periodontitisLIANG Chen, NONG Xiao-linREVIEW444-448