1. Goldstein Center for Esthetic and Implant Dentistry Department of Restorative Sciences Augusta University Augusta GA USA
2. Private Practice Rome Rome Italy
3. Department of Chemical Science and Technologies PhD in Materials for Health, Environment and Energy–Dentistry University of Rome Tor Vergata Rome Italy
4. Department of Mathematics University of Rome Tor Vergata Rome Italy
5. Department of Implant Dentistry Loma Linda University School of Dentistry Loma Linda CA USA