Text and Data Mining valid from 2019-11-25
Received: 19 July 2019
Accepted: 24 October 2019
First Online: 25 November 2019
Ethics approval and consent to participate
: The study protocol was approved by the ethical committee of the Dental School of the Aristotle University of Thessaloniki, Greece (protocol 07/05-11-2015). Consent was obtained and signed by all parents or guardians that allowed for the use of the patients’ data for research and publication.
: This specific patient (and his parents) provided additional consent for the publication of his facial photos.
: The authors declare that they have no competing interests.