Funding for this research was provided by:
Received: 28 January 2020
Accepted: 21 June 2020
First Online: 2 September 2020
Change Date: 21 May 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1007/s00056-021-00307-0
Compliance with ethical guidelines
: T. Knaup, H. Korbmacher-Steiner and A. Jablonski-Momeni declare that they have no competing interests.
: This article does not report on any studies with human participants that were performed by any of the authors. The use of extracted teeth was approved by the Ethics Committee of the medical faculty of the Philipps University Marburg (Ref. No. 107/12).