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Article History

Received: 27 May 2021

Accepted: 19 October 2021

First Online: 8 November 2021

Declarations

:

: The Ethics Committee of the University of Rostock approved the study (Registration Number: A 2017-0165). The support of selected external practices was ensured by: Dentist Andrea Pahncke: Maxim-Gorki-Str. 52 18106 Rostock, telephone: 0381714715; Dentists Welly and Czerlinski Dr. med. dent. Anke Welly; Dr. med. dent. Daniel Welly, Dipl. Stom. Antje Czerlinski: Klosterstraße 3B 23992 Neukloster, telephone: 03842225692; Dental practice Menzel Dr. med. dent. Leila Menzel and dentist Ivonne Backhaus: Bertoldt- Brecht- Straße 19 18106 Rostock, telephone: 03817699398; Dentist Dr. Mathias Wolschon: Langestraße 51, 18246 Bützow, telephone: 0384612441.

: All participants were informed before the interview and signed a consent form which includes the scientific publication of the research results in compliance with data protection regulations.

: The authors declare that they have no competing interests.