1. Oral and Maxillofacial Prosthodontics Department Faculty of Dentistry King Abdulaziz University Jeddah Saudi Arabia
2. Restorative Dentistry Department Faculty of Dentistry King Abdulaziz University Jeddah Saudi Arabia
3. Department of Pharmaceutics College of Pharmacy Umm Al‐Qura University Makkah Saudi Arabia
4. Department of Pharmacology and Toxicology College of Pharmacy Umm Al‐Qura University Makkah Saudi Arabia
5. Department of Pharmacology and Toxicology Medicinal and Aromatic plants research institute National center for research Khartoum Sudan
6. Division of Basic Medical Science Department of Basic and Clinical Oral Sciences Faculty of Dentistry Umm Al‐Qura University Makkah Saudi Arabia
7. Department of Microbiology and Immunology Faculty of Medicine Suez Canal University Ismailia Egypt