1. Department of Dental Materials and Prosthodontics, University of São Paulo, Ribeirão Preto, Brazil.
2. Department of Oral and Maxillofacial Surgery and Periodontology, University of São Paulo.
3. Department of Diagnosis and Surgery, Araraquara Dental School, University Estadual Paulista, São Paulo, Brazil.
4. Department of Pathology, University of São Paulo.
5. Department of Stomatology, University of São Paulo.