Affiliation: | 1. Department of Periodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA Department of Implantology, School of Stomatology, Jilin University, Changchun, China;2. Department of Periodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA;3. Department of Periodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA Department of Endodontics, Faculty of Dentistry, King Abdulaziz University, Jeddah, KSA;4. Department of Periodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA Department of Pediatric Dentistry, School of Stomatology, China Medical University, Shenyang, China Key Laboratory of Oral Disease and Liaoning Province, Shenyang, China;5. Department of Orthopaedics, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA |