1. Oral Pathology, Department of StomatologyUniversity of Sao Paulo School of Dentistry Sao Paulo Brazil
2. Division of DentistryHospital of Clinics of the University of São Paulo School of Medicine São Paulo Brazil
3. Special Care Dentistry Centre, Department of StomatologyUniversity of Sao Paulo School of Dentistry Sao Paulo Brazil
4. School of DentistrySanto Amaro University São Paulo Brazil