1. Department of Prosthodontics; Lebanese University; Beirut Lebanon
2. Advanced Education Program in Prosthodontics; Loma Linda University; Loma Linda CA
3. Department of Periodontics; Lebanese University; Beirut Lebanon
4. Department of Restorative Dentistry; Lebanese University; Beirut Lebanon
5. Department of Oral and Maxillofacial Surgery; Lebanese University; Beirut Lebanon