[1
]University of São Paulo; Department of Periodontology; Av. Prof. Lineu Prestes, 2227
Cidade Universitária São Paulo SP Brazil 05508-000
[2
]State University of Maringá; Department of Periodontology; Av Mandacaru 1550 Maringá
Brazil 87080-000
[3
]Methodist University of São Paulo; Department of Periodontology; Rua Cristianópolis,
220 São Paulo SP Brazil 03128-030