Funding for this research was provided by:
Faculty of Dentistry, University of Oslo, Norway
Received: 12 February 2022
Accepted: 9 June 2022
First Online: 21 June 2022
: The study was approved by the Norwegian Regional Committee for Medical and Health Research Ethics (REK 2018/1383) and performed in compliance with the tenets of the Declaration of Helsinki. All participants signed a written informed consent prior to examinations.
: Not applicable.
: The authors declare that they have no competing interests.