Institution: | 1. Department of Periodontology, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea.;2. Department of Oral and Maxillofacial Pathology and Research Center for Tooth and Periodontal Regeneration, School of Dentistry, Kyung Hee University.;3. Department of Preventive and Society Dentistry, School of Dentistry, Kyung Hee University. |