1. Tae-Young Park, DDS, MSD, Conservative Dentistry, Chosun University, School of Dentistry, Gwang-ju, Republic of Korea
2. Se-Ra Jung, DDS, MSD, Conservative Dentistry, Chosun University, School of Dentistry, Gwang-ju, Republic of Korea
3. Ju-Hee Jeong, DDS, MSD, Conservative Dentistry, Chosun University, School of Dentistry, Gwang-ju, Republic of Korea
4. Jeong-Bum Min, DDS, MSD, PhD, Conservative Dentistry, Chosun University, School of Dentistry, Gwang-ju, Republic of Korea
5. *Hyoung-Hoon Jo, DDS, MSD, Conservative Dentistry, Chosun University, School of Dentistry, Gwang-ju, Republic of Korea