1. Prosthodontic and Periodontology Department, Piracicaba Dental School; University of Campinas; Piracicaba Brazil
2. Department of Biomaterials and Biomimetics, College of Dentistry; New York University; New York NY
3. Department of Prosthodontics, Bauru College of Dentistry; University of São Paulo; Bauru Brazil
4. Hansjörg Wyss Department of Plastic Surgery; New York University School of Medicine; New York NY