Funding for this research was provided by:
Universitätsklinikum Tübingen
Article History
Received: 8 December 2020
Accepted: 29 March 2021
First Online: 12 April 2021
Declarations
:
: The authors state that they have no knowledge of any personal interests or relationships that might have influenced the present work.
: The methodology of the present study was based on retrospective data analysis and did not include any type of clinical trials with human participants by any of the authors. All data derived from the medical records of the patients were handled in accordance with the principles of the Declaration of Helsinki updated in 2013 and in compliance with the local ethical and legal regulations in force (Berufsordnung der Zahnärztekammer Berlin).
: Only data received with the consent of the parents of the participating children were included. If subjects or their parents were not willing to participate, they were excluded from this study.