1. Department of Stomatology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
2. Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Medical Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
3. Department of Human Anatomy, School of Basic Medical Sciences, Guangdong Medical University, Zhanjiang, 524000, China