Lang, AC
Schulze, RK http://orcid.org/0000-0002-7880-0046
Funding for this research was provided by:
University Medical Center of the Johannes Gutenberg-University Mainz (none, none)
Article History
Received: 14 November 2017
Accepted: 1 March 2018
First Online: 10 March 2018
Compliance with ethical standards
:
: For the submitted work: Both authors declare there were no potential conflicts of interest involved with this research.Outside the submitted work: Author Ralf Schulze has received a research grant from Sirona Dental Systems GmbH for a different study. Author Ralf Schulze is non-honorarium-based member of several committees of the German Institut of Standardization (DIN) and also of a national technical committee on radiation protection (Arbeitskreis Röntenverordnung, AKRöV). He is also representative for dental radiology and radiation protection for the World Dental Federation (FDI).
: As retrospective study using radiographs from an existing database without publication of any patient-related information, no ethical approval is required in our University Medical Center.
: Since all the data (radiographic images) used for the study were taken from the existing database and were used in an anonymized fashion, no extra informed consent was required for this type of study. In our center, patients give a general consent that their data in anonymized fashion may be used for scientific study purposes, if their personal data rights and medical confidentiality is adhered.