, Mi-Kyung Yu2,3,4
, Kwang-Won Lee2,3,4
, Kyung-San Min2,3,4
1Department of Dentistry, College of Medicine, Kosin University, Busan, Korea.
2Department of Conservative Dentistry, Chonbuk National University School of Dentistry and Institute of Oral Bioscience, Jeonju, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/