1. Department of Oral Diagnosis, School of Dentistry, University of Campinas, Piracicaba 13414-018, SP, Brazil
2. Postgraduate Program in Oral Science, Federal University of Rio Grande do Norte, Natal 59000-000, RN, Brazil
3. Department of Oral Diagnosis and Graduate Program in Oral Biology, School of Dentistry, University of Campinas, Piracicaba 13414-018, SP, Brazil