J Korean Assoc Oral Maxillofac Surg 2018;44:225-231
https://doi.org/10.5125/jkaoms.2018.44.5.225
This correction is being published to provide the approval number of the Institutional Review Board at the Ethics Approval and Consent to Participate section in the above article. The authors apologize for this error.
Before correction
This study was approved by the Institutional Review Board of Korea University Anam Hospital (Seoul, Korea).
After correction
This study was approved by the Institutional Review Board of Korea University Anam Hospital, Seoul, Republic of Korea (IRB no. 2018AN0358).