[1] Univ Fed Bahia, Sch Dent, Lab Oral & Maxillofacial Pathol, Salvador, BA, Brazil
[2] Univ Fed Bahia, Sch Dent, Serv Stomatol, Salvador, BA, Brazil
[3] State Hosp Bahia, Serv Oral & Maxillofacial Surg, Salvador, BA, Brazil
[4] Univ Autonoma Metropolitana Xochimilco UAM, Hlth Care Dept, Mexico City, DF, Mexico
[5] Univ Fed Bahia, Sch Dent, Dept Periodontol, Salvador, BA, Brazil
[6] Univ Fed Rio Grande do Sul, Sch Dent, Dept Oral & Maxillofacial Pathol, Porto Alegre, RS, Brazil