Funding for this research was provided by:
Text and Data Mining valid from 2018-08-09
Received: 22 January 2018
Accepted: 25 July 2018
First Online: 9 August 2018
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the Northern B Health and Disability Ethics Committee (14/NTB/39).Parents provided written consent for their child to participate and children provided assent to take part in the study. Children coloured in a picture of teeth if they assented to take part.
: Not applicable.
: All authors declare they have no competing interests.
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