Author/Authors :
SANTANA SORIA, Thomas Dept. of Basic Health - City Hall of Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil , SANTANA SORIA, Giordano Dept. of Epidemiology - Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil , ANTONIO CRUZ, Raul Dept. Odontology - Luteran University of Brazil, Canoas, Rio Grande do Sul, Brazil , CAMARA BREW, Myrian Dept. Odontology - Luteran University of Brazil, Canoas, Rio Grande do Sul, Brazil , GROSSMANN, Eduardo Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil , SERRA BAVARESCO, Caren The Graduate Program in Dentistry - Luteran University of Brasil, Canoas, Rio Grande do Sul, Brazil
