Received: 6 May 2019
Accepted: 18 August 2019
First Online: 2 September 2019
Ethics approval and consent to participate
: Kenyatta National Hospital-University of Nairobi Ethics and Research Committee (Ref: P460/06/2016) and School of Health Sciences Institution Review Board and Ethics Committee, Makerere University, Kampala, Uganda (SHSREC REF: 2016–036) gave their Ethical clearance for the study to be conducted. Parents /guardians of all participants gave a signed written informed consent for the children to participate, and wherever possible assent by the child was also obtained.
: All the three authors have consented to the publishing of this Manuscript. The parents/guardians of the participants consented to the participation of their children in this study, and also to the use of the clinical intra-oral photographs for study purposes and research publications.
: The authors declare that they have no competing interests.