1. Center of Implant Dentistry, School of StomatologyChina Medical University Shenyang China
2. Department of Tissue EngineeringChina Medical University Shenyang China
3. Department of Oral Maxillofacial Surgery, School of StomatologyChina Medical University Shenyang China
4. Institute of Regulatory Science for Medical DeviceEngineering Research Center in Biomaterial, Sichuan University Chengdu China