1. Department of Bucco-Maxillo-Facial Surgery and Traumatology and Periodontology; School of Dentistry of Ribeirão Preto; University of São Paulo; Avenida do Café - s/n Ribeirão Preto SP 14040-904 Brazil
2. School of Dentistry; Tiradentes University; R. Lagarto 264-Centro Aracaju SE 49010-390 Brazil
3. School of Dentistry; Federal University of Amazonas; Av. Ministro Valdemar Pedrosa 1539 Centro Manaus AM 69025-050 Brazil