From the *Department of Oral and Maxillofacial Surgery, Ninth People’s Hospital, Shanghai Key Laboratory of Stomatology; †Department of Orthopaedics, Renji Hospital; and ‡Department of First Dental Clinical, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Received February 19, 2011.
Accepted for publication September 7, 2011.
Address correspondence and reprint requests to Guofang Shen, MD, DDS, Department of Oral and Maxillofacial Surgery, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Rd, Shanghai 200011, China; E-mail: [email protected]
Drs Dai and Wang contributed equally to this work.
This study was supported by grants from the National Natural Science Foundation of China (no. 2007BAI18B04), National High-tech R&D Program of China (863 program no. SQ2009AA04ZX1485930), and Creative Team Project of Shanghai Universities.
The authors report no conflicts of interest.
