Undergraduates of Stomatology 2021 attended an atypical lecture in March 2 where Prof. Yang Chai, an alumnus, taught Oral and Maxillofacial Embryology and Anatomy. He is currently George and MaryLou Boone Chair in Craniofacial Biology at University of Southern California (USC) and member of the United States National Academy of Medicine.

　　Prof. Chai has been giving theoretical and clinical lectures at Peking University School and Hospital of Stomatology since it signed MoU with Herman Ostrow School of Dentistry of USC in 2017.

　　Written by: Fan Xiaofei

　　Edited by: Liu Xin

　　Source: Peking University School and Hospital of Stomatology