Keul, Christine
Güth, Jan-Frederik
Article History
Received: 11 January 2019
Accepted: 16 May 2019
First Online: 27 May 2019
Compliance with ethical standards
:
: The conduct of the present study was financially supported by Align Technology. Align Technology had no influence in the study design, nor in the collection, analysis, or interpretation of the data, nor in writing or submitting the publication.
: This study was approved by the Ethics Committee (511-14) and registered at the German Clinical Trial Register (DRKS 00015459). All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Before starting the data acquisition, the voluntary patient signed an informed consent.