1 Oral Oncology Center, São Paulo State University (UNESP), School of Dentistry, Araçatuba, São Paulo, Brazil; Department of Diagnosis and Surgery, São Paulo State University (Unesp), School of Dentistry, Araçatuba, São Paulo, Brazil.
2 Oral Diagnosis Department, Piracicaba Dental School, University of Campinas - UNICAMP, Piracicaba, São Paulo, Brazil.
3 Department of Diagnosis and Surgery, São Paulo State University (Unesp), School of Dentistry, Araçatuba, São Paulo, Brazil.
4 Oral Oncology Center, São Paulo State University (UNESP), School of Dentistry, Araçatuba, São Paulo, Brazil; Department of Diagnosis and Surgery, São Paulo State University (Unesp), School of Dentistry, Araçatuba, São Paulo, Brazil. Electronic address: glauco.miyahara@unesp.br.