Kruse, Anne B.
Maamar, Rabie
Akakpo, Dodji L.
Woelber, Johan P.
Wittmer, Annette
Vach, Kirstin
Ratka-Krüger, Petra
Al-Ahmad, Ali
Funding for this research was provided by:
Duerr Dental SE (ZVS20140127)
Article History
Received: 15 January 2020
Accepted: 12 April 2020
First Online: 22 April 2020
Ethics approval and consent to participate
: The Ethical Committee of the University Medical Center Freiburg verified this trial with a positive vote (EK No. 317/14). All enrolled participants signed an informed consent form as well as a data privacy statement.
: Not applicable.
: The authors declare that they have no competing interests.