1. Department of Oral Implant; School of Medicine; Ninth People's Hospital Affiliated with Shanghai Jiao Tong University; Shanghai China
2. Department of Oral and Maxillofacial Surgery; School of Medicine; Ninth People's Hospital Affiliated with Shanghai Jiao Tong University; Shanghai China
3. Department of Periodontics and Oral Medicine; Department of Biomedical Engineering; Michigan Center for Oral Health Research; University of Michigan; Ann Arbor MI USA
4. Department of Dental Implant Centre; Stomatologic Hospital & College; Key Laboratory of Oral Diseases Research of Anhui Province; Anhui Medical University; Hefei China