1. Department of Oral & Maxillofacial Surgery, Pusan National University Dental Hospital, Yangsan 50612, Republic of Korea
2. Research Institute of Materials Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
3. Department of Oral Pathology, Pusan National University Dental Hospital, Yangsan 50612, Republic of Korea
4. Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
5. Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea