Diener, V. N.
Gay, A.
Soyka, M. B.
Attin, T.
Schmidlin, P. R.
Sahrmann, P. https://orcid.org/0000-0001-5568-2529
Article History
Received: 12 December 2017
Accepted: 20 March 2018
First Online: 6 April 2018
Ethics approval and consent to participate
: Approval for this clinical study was obtained from the Ethical committee of Zurich before the clinical investigations (17. October 2013 Reference number KEK-ZH-Nr.2013–0419). All participating patients were aware about the substance, process and objective of this study. They were informed minimum 24 h before the examination by their ENT-specialist and asked for their will to participate. If so, written information, approved by the Ethical committee of Zurich, was committed. The day of the examination, possible questions about the trial were clarified by the dental examiner and after that patients gave their written consent. All participants in this study were full age and judicious.All study-related examinations were performed in accordance to the declaration of Helsinki as revised in 2000 [].
: Not applicable.
: The authors declare that they have no competing interests.
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