Received: 11 May 2020
Accepted: 3 June 2020
First Online: 15 June 2020
Ethics approval and consent to participate
: This study was conducted after approval from the Institutional Review Board of Wonkwang University Dental Hospital (IRB no. WKDIRB202004-01), and the informed consent was waived.
: 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.