1. School of Dentistry of Ribeirão Preto; University of São Paulo; Ribeirão Preto SP Brazil
2. School of Dentistry; University of Ribeirão Preto; Ribeirão Preto SP Brazil
3. Department of Oral Pathology; São Leopoldo Mandic Institute and Research Center; Campinas SP Brazil
4. Institute for Research and Development; University of Vale do Paraíba; São José dos Campos SP Brazil
5. Endodontics Private Practitioner; São Carlos SP Brazil