1. Faculty of Dentistry at Sobral Federal University of Ceará Fortaleza Brazil
2. Department of Restorative Dentistry Federal University of Ceará Fortaleza Brazil
3. Faculty of Dentistry at Sobral Federal University of Ceará Sobral Brazil
4. Private Practice Londrina Brazil
5. Health Science Center Sacred Heart University Center Bauru Brazil
6. Department of Dentistry Federal University of Sergipe at Lagarto Lagarto Brazil
7. Bauru Dental School University of Sao Paulo Bauru Brazil