, Hyo-Il Lee1
, Ji-Hyun Jang2
, Sung-Hyeon Choi1
, Hoon-Sang Chang1
, Yun-Chan Hwang1
, In-Nam Hwang1
, Bin-Na Lee1
, Won-Mann Oh1
1Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/