1. Former Resident, Advanced Prosthodontics ProgramThe Ohio State University College of Dentistry Columbus Dublin, Ohio
2. Department of ProsthodonticsIstanbul Okan University Faculty of Dentistry Istanbul Turkey
3. Dental Materials Unit, Center for Dental and Oral MedicineClinic for Fixed and Removable Prosthodontics and Dental Materials Science, University of Zurich Zurich Switzerland
4. Division of Restorative Sciences and ProsthodonticsThe Ohio State University College of Dentistry Columbus Ohio