Affiliation: | 1. Department of Oral and Maxillofacial Radiology and Research Institute of Clinical Medicine, Chonbuk National University, Jeonju, South Korea;2. Department of Orthodontics, and Institute of Oral Biosciences, Chonbuk National University, Jeonju, South Korea;3. Research Center of Bioactive Materials, Chonbuk National University, Jeonju, South Korea |