1. Department of Dental Materials and Prosthodontics; Faculty of Dentistry of Ribeirão Preto, University of São Paulo; São Paulo Brazil
2. UFR d'Odontologie; Université Paris Diderot, Rothschild Hospital; Paris France
3. Centre de Recherche en Odontologie Clinique; Clermont Université, Université d'Auvergne; Clermont-Ferrand France
4. Département de Prothèse; Faculté de Chirurgie Dentaire de l'Université Nice Sophia Antipolis; Nice France
5. Department of Pediatric Dentistry; Faculty of Dentistry of Ribeirão Preto, University of São Paulo; São Paulo Brazil