Affiliation: | 1. Department of Oral Biochemistry, Institute of Oral Bioscience, BK21 program, School of Dentistry, Chonbuk National University, , Jeonju, Korea;2. Department of Dental Biomaterials, Institute of Oral Bioscience, BK21 program, School of Dentistry, Chonbuk National University, , Jeonju, Korea |