1. The Second Hospital of Shandong University, Jinan, People's Republic of China
2. Department of Dermatology, Jinan Central Hospital, Shandong University, Jinan, Shandong Province, People's Republic of China
3. Department of Oral and Maxillofacial Surgery, The Second Hospital of Shandong University, Jinan, Shandong Province, People’s Republic of China
4. Research Center of 3D Printing in Stomatology of Shandong University, Shandong University, Shandong Province, People’s Republic of China