Funding for this research was provided by:
University of Melbourne (Postgraduate Research Fund)
Text and Data Mining valid from 2019-01-14
Received: 9 October 2018
Accepted: 9 January 2019
First Online: 14 January 2019
Compliance with ethical standards
: Procter and Gamble donated toothbrush and toothpaste for participants. However, the company had no influence in the interpretation of the present study’s results. Authors declare that they do not have any conflict of interests.
: All procedures performed in studies involving human participants 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.
: Informed consent was obtained from all individual participants included in the study.