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Authors
Şen, Sinan https://orcid.org/0000-0001-5907-5398
Erber, Ralf
Şen, Gözde
Deurer, Nadine
Zingler, Sebastian
Lux, Christopher J.
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Funding
Funding for this research was provided by:
Ruprecht-Karls-Universität Heidelberg
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Article History
Received: 2 October 2019
Accepted: 28 February 2020
First Online: 6 May 2020
Compliance with ethical guidelines
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: S. Şen, R. Erber, G. Şen, N. Deurer, S. Zingler and C.J. Lux declare that they have no competing interests.
: The study protocol, including the use of extracted human teeth, was approved and the study was conducted in accordance with the guidelines set by the Ethics Committee for human studies at the Medical Faculty, University of Heidelberg (approval no. #S-301/2011). Before extraction, all participants or their parents or legal guardians received full oral and written information on the aims of the study and signed a consent form.
