Hwang, Min
Ahn, Hyo-Won
Kwon, Soon-Yong
Choi, Jeong-Ho
Kim, Seong-Hun
Nelson, Gerald
Article History
Received: 4 August 2017
Accepted: 26 December 2017
First Online: 15 January 2018
Ethics approval and consent to participate
: This retrospective CBCT study was performed under approval of the Institutional Review Board (IRB) of Kyung Hee University Dental Hospital (IRB no.: KHD IRB 1404-2).
: Written informed consent was obtained from the patient for the publication of this report and any accompanying images.
: The authors declare that they have no competing interests.
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