1. Department of Prosthodontics; Ninth People's Hospital; Shanghai Jiao Tong University School of Medicine; Shanghai 200011 China
2. Oral Bioengineering and Regenerative Medicine Lab; Shanghai Research Institute of Stomatology; Ninth People's Hospital; Shanghai Jiao Tong University School of Medicine; Shanghai Key Laboratory of Stomatology; Shanghai 200011 China
3. Center of Craniofacial Orthodontics; Department of Oral and Cranio-maxillofacial Science; Ninth People's Hospital; Shanghai Jiao Tong University School of Medicine; Shanghai 200011 China
4. Department of Oral Surgery; Ninth People's Hospital; College of Stomatology; Shanghai Jiao Tong University School of Medicine; Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology; Shanghai 200011 China