1 Stomatology Department, A. C. Camargo Hospital, São Paulo, Brazil.
2 Stomatology Department, School of Dentistry, University of São Paulo, São Paulo, Brazil.
3 Stomatology Department, A. C. Camargo Hospital, São Paulo, Brazil; Stomatology Department, School of Dentistry, University of São Paulo, São Paulo, Brazil. Electronic address: falves@accamargo.org.br.