1. Department of Oral Implants, School of Stomatology, National Clinical Research Center for Oral Diseases & State Key Laboratory of Military Stomatology & Shaanxi Key Laboratory of Stomatology Fourth Military Medical University Xi'an Shaanxi China
2. Department of Pediatric Dentistry, School of Stomatology, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology Fourth Military Medical University Xi'an Shaanxi China
3. School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application Experimental Center for Stomatology Engineering Jiamusi University Jiamusi Heilongjiang China
4. Department of Orthodontics, School of Stomatology, Shandong Provincial Key Laboratory of Oral Tissue Regeneration Shandong University Jinan Shandong China