Yu Cao Technical Adviser graduated from the school of stomatology, Capital Medical University with a doctor's degree. She has years of experience in oral regeneration and functional reconstruction of oral tissue. She has undertaken the preclinical research on the treatment of periodontitis bone defects by human stem cells, and the research on the effects of cytokines EREG on the proliferation of odontogenic stem cells, such as  periodontal membrane stem cells, dental papillary stem cells.