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Article History

Received: 15 July 2019

Accepted: 3 February 2020

First Online: 10 February 2020

Ethics approval and consent to participate

: Approval by ethic committee was not necessary because the basic oral examinations were performed as part of standard dental check-ups. The patients’ parents or legal guardian(s) signed the institutional informed consent form.

: Written informed consent was obtained from the patient’s legal guardian(s) for publication and any accompanying images.

: The authors declare that they have no competing interests.