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Article History

Received: 20 August 2018

Accepted: 14 November 2018

First Online: 20 December 2018

Ethics approval and consent to participate

: Institutional review board of Gangneung-Wonju National University Dental Hospital approved this retrospective study (IRB No. 2016-015) for patients with BCLP.

: Written informed consent was obtained from the patient’s guardian for publication of this case report and accompanying images.

: The authors declare that they have no competing interests.

: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.