1. Department of Prosthodontics Indiana University School of Dentistry Indianapolis IN
2. Department Oral Pathology, Radiology, and Oral Medicine Indiana University School of Dentistry Indianapolis IN
3. Department of Oral and Maxillofacial Surgery and Hospital Dentistry Indiana University School of Dentistry Indianapolis IN
4. Department of Dental Technology King Khalid University Khamis Mushait Saudi Arabia
5. Center for Implant, Esthetic and Innovative Dentistry, Department of Prosthodontics Indiana University School of Dentistry Indianapolis IN