Sahng G. Kim, DDS, MS, Director, Postgraduate Program, Assistant Professor of Clinical Dental Medicine, Division of Endodontics, College of Dental Medicine, Columbia University, New York, New York, USA, , http://bit.ly/19ubG1O

Sahng G. Kim, DDS, MS, Director, Postgraduate Program, Assistant Professor of Clinical Dental Medicine, Division of Endodontics, College of Dental Medicine, Columbia University, New York, New York, USA, , http://bit.ly/19ubG1O , via Dental Teach " Daily Dental Info " http://www.facebook.com/photo.php?fbid=622020384489181&set=a.605322842825602.1073741863.110664842291407&type=1