Ethics approval and consent to participate
Prior to the commencement of the study, ethical approval was obtained from the Research Ethics Committee at the Faculty of Dentistry, Alexandria University, Egypt (IRB 00010556 – IORG 0008839). This trial was registered in the clinicaltrials.gov registry (#NCT05642494). The study was conducted in accordance with the Helsinki declaration. The research procedures, risks and benefits were explained to the parents, and they were asked to sign an informed consent form.