Richter, Martinus
Article History
Received: 23 December 2020
Revised: 6 June 2021
Accepted: 13 June 2021
First Online: 3 November 2021
Declarations
:
: M. Richter is consultant of Geistlich.
: All relevant ethical guidelines have been respected. Approval from the ethics committee is not available and not necessary. No data were collected for the study results. Only data that had been collected in the context of patient care were evaluated anonymously.