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Authors
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Funding
Funding for this research was provided by:
Alexandria University
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Article History
Received: 24 August 2023
Accepted: 13 December 2023
First Online: 3 January 2024
Declarations
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: Ethical approval was obtained by Dental Research Ethics Committee Faculty of Dentistry, Alexandria University (IORG0008839), prior to commencement of study. Parents/caregivers of all children provided a written informed consent for joining the study, and, approval from the nurseries management was obtained after explaining the study.
: Not applicable.
: The authors declare no competing interests.
