[1] Faculty of Dentistry,Department of Restorative Dentistry
[2] University of Malaya,Department of Restorative and Prosthetic Dental Sciences
[3] College of Dentistry,Restorative Dental Sciences Department
[4] Dar Al-Uloom University,Periodontics and Community Dentistry
[5] Engineer Abdullah Bugshan Research Chair for Dental and Oral Rehabilitation,Department of Prosthodontics
[6] College of Dentistry,undefined
[7] King Saud University,undefined
[8] College of Dentistry,undefined
[9] King Saud University,undefined
[10] School of Dentistry,undefined
[11] Ibb University,undefined