| Institution: | 1. Department of Dental Public Health, Faculty of Dentistry, King Abdulaziz University , Jeddah, Saudi Arabia dsabbahi@kau.edu.sa https://orcid.org/0000-0002-2399-068X;3. Department of Dental Public Health, Faculty of Dentistry, King Abdulaziz University , Jeddah, Saudi Arabia;4. Environmental Health Department, Alexandria University , Alexandria, Egypt https://orcid.org/0000-0002-5435-7019;5. Department of Oral and Maxillofacial Prosthodontics, Faculty of Dentistry, King Abdulaziz University , Jeddah, Saudi Arabia https://orcid.org/0000-0003-2599-1552 |
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https://orcid.org/0000-0002-2399-068X;3. Department of Dental Public Health, Faculty of Dentistry, King Abdulaziz University , Jeddah, Saudi Arabia;4. Environmental Health Department, Alexandria University , Alexandria, Egypt