Affiliation: | 1. Department of Prosthodontics, Tufts University School of Dental Medicine, Boston, Massachusetts, USA;2. Department of Dental Public Health, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia;3. Department of Prosthodontics, University of Washington, Seattle, Washington, USA;4. Department of Prosthodontics, University of Rochester Eastman Institute for Oral Health, Rochester, New York, USA |