Received: 1 November 2018
Accepted: 14 November 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: The Obafemi Awolowo University Teaching Hospital Complex Ile-Ife Ethics and Research Committee gave ethical approval (ERC/2013/07/14), the Ife Central Local Government Authority also gave written approval to conduct the study. All the parents of study participants gave written informed consent for their children to participate, children aged eight to 12 years also provided written assent. Data collection was done without indicating the names of participants. Participants did not receive cash compensation for being part of the study.
: Not applicable.
: MOF is a sectional Editor with the BMC Oral Health. The other author has no competing interests.