1. Division of Periodontics; Department of Oral Pathology; São Leopoldo Mandic Institute and Research Center; Campinas São Paulo Brazil
2. Private practice; São Paulo Brazil
3. Division of Periodontics; Department of Prosthodontics and Periodontics; Piracicaba Dental School; University of Campinas; São Paulo Brazil
4. Department of Periodontics; Paulista University; São Paulo Brazil
5. Department of Periodontics; Guarulhos University; São Paulo Brazil
6. Department of Pediatric Dentistry; Piracicaba Dental School; University of Campinas; São Paulo Brazil