1. Department of Pediatric Dentistry, Faculty of Dentistry, King Abdulaziz University, P.O. Box 80209, Jeddah 21589, Saudi Arabia
2. Department of Endodontics, Faculty of Dentistry, King Abdulaziz University, P.O. Box 80209, Jeddah 21589, Saudi Arabia
3. Department of Biology, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
4. Department of Biology, College of Science and Arts-Khulais, University of Jeddah, P.O. Box 34, Jeddah 21959, Saudi Arabia
5. Chemistry Department, College of Science and Arts-Khulais, University of Jeddah, P.O. Box 34, Jeddah 21959, Saudi Arabia