Declarations:
Ethics approval and consent to participate: Not applicable.
Consent for publication: Written informed consent was obtained from the legal guardian of the patient (the father of the child) for publication of this case report and any accompanying images.
Availability of data and materials: All data generated and analysed which related this case report are included in this published article.
Competing interests: None of the authors has declared any conflict of interest or financial disclosures.
Funding: There was no financial support for this study.
Acknowledgments: Authors do not have any conflict of interest related to this study.
Author contribution: FC and FM performed the initial examination and collected clinical data, FC provided the clinical dental care of the patient and have continued performing regular clinical and radiographic follow-up. AB supervised the clinical dental care of the patient. FC was responsible for the literature search and wrote the paper. FM revised and edited the manuscript and figures. HG provided comprehensive judgement and assisted in editing the final version of the manuscript. All authors read and approved the final version of the manuscript prior to submission.