Jeong Kyung-In, Lee Junho, Um In-Woong, Kim Young-Kyun
1 Department of Oral and Maxillofacial surgery, Section of Dentistry, Konyang University Hospital, Daejeon, Korea.
2 Private practice, Zelkova Tree Dental Clinic, Seoul, Korea.
J Oral Implantol. 2015 Aug;41(4):487-90. doi: 10.1563/AAID-JOI-D-12-00265. Epub 2013 Dec 2.