Periodontology, Dental Public Health, Oral Medicine, Dental Implants, Microbiology,
Faculty at de, Montmorency College of Dentistry, Univ. of Punjab, Lahore, Pakistan
Faculty at King Saud University, Riyadh, Saudi Arabia
Faculty at New York University, USA
Faculty at University of Connecticut, USA
Faculty at Imam Abdulrahman Bin Faisal University, KSA
Visiting Professor:
Rawal Institute of Medical sciences, Islamabad, Pakistan