Study methods of the dental-maxillo-facial growth and development
ZHANG Qiang1, CHEN Yang-xi2.
1. Stomatology Health Care Center, Shenzhen Maternity and Child Healthcare Hospital, Affiliated Hospital of Southern Medical University, Shenzhen 518048, China; 2. Dept. of Orthodontics, West China College of Stomatology, Sichuan University, Chengdu 610041, China