Affiliation: | 1. Department of oral pathology, Dental Science Research Institute and Medical Research Center for Biomineralization Disorders, School of Dentistry, Chonnam National University, , Gwangju, Korea;2. Su Dental Clinical Research Center, Yeoksam‐dong, , Gangnam‐gu, Seoul, South Korea;3. Department of oral medicine, School of Dentistry, Chonnam National University, , Gwangju, Korea |