Study setting and ethical consideration
A triple-blinded randomized, prospective controlled clinical study had been performed at the Pediatric Dentistry Department Outpatient Clinic, Faculty of Dentistry, from September to November 2022. The cone beam x-ray was done at the Oral Medicine, Periodontology, Oral Diagnosis & Oral Radiology Department, Faculty of Dentistry, Tanta University. The trial was registered at ClinicalTrials.gov identifier NCT05619796 and the date of registration: (17/11/2022). The study had been approved by the ethical committee (REC), Faculty of Dentistry, Tanta University, code (#R-PED-9-22-2) in accordance with the ethical guidelines outlined in the 1964 Helsinki Declaration and its subsequent revisions. Clinical treatment was started after parents signed written informed consent.