| Affiliation: | 1. Department of Periodontology, Faculty of Dentistry, Ziauddin University, Karachi, Pakistan;2. Department of General Dentistry, Eastman Institute for Oral Health, University of Rochester, Rochester, NY, USA;3. Faculty of Dentistry, Ziauddin Medical University, Karachi, Pakistan;4. Department of Prosthetic Dental Sciences, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia;5. Security Hospital Polyclinic, Riyadh, Saudi Arabia;6. King Saud University, Riyadh, Kingdom of Saudi Arabia |
