Affiliation: | 1. Department of Operative, Preventive and Pediatric Dentistry, University of Bern, Bern, Switzerland.;2. Department of Oral Surgery, Institute of Biomedical Sciences, Tokushima University, Tokushima, Japan.;3. Advanced Research Center, School of Life Dentistry at Niigata, The Nippon Dental University, Niigata, Japan.;4. Department of Oral Implantology, Wuhan University, Wuhan, China.;5. Department of Periodontology, School of Dental Medicine, University of Bern.;6. Department of Periodontology, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL. |