1. Department of Dentistry, Federal University of Rio Grande do Norte (UFRN), Natal, Rio Grande do Norte, Brazil.
2. Potiguar University (UnP), Natal, Rio Grande do Norte, Brazil.
3. Department of Oral Rehabilitation, Faculty of Dentistry, University of Pernambuco (UPE), Recife, Pernambuco, Brazil.
4. Department of Gerodontology and Reconstructive Dentistry, University of Bern, School of Dentistry, Bern, Switzerland.
5. Department of Restorative, Preventive, and Pediatric Dentistry, University of Bern, School of Dentistry, Bern, Switzerland.
6. Division of Restorative and Prosthetic Dentistry, College of Dentistry, The Ohio State University, Columbus, OH, USA.