Received: 2 October 2019
Accepted: 30 September 2020
First Online: 7 October 2020
Ethics approval and consent to participate
: This study protocol was approved by the Department of Oral and Maxillofacial Sciences - Sapienza, University of Rome (Protocol identifying number: 582/17). A written informed consent was obtained from each patient after a detailed description of the study protocol and treatment.
: Written informed consent for publication of their clinical details and/or clinical images was obtained from the patient/parent/guardian/ relative of the patient. A copy of the consent form is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.