1. Post Graduate Program in Public Health, Centro de Integração Acadêmica, State University of Paraiba, Avenida das Baraúnas 351, 3° Andar/Sala 310, Campus Universitário, S/N, Bodocongo, 58429-500 Campina Grande, PB, Brazil
2. Department of Dentistry, Faculty of Dentistry, State University of Paraiba, Avenida das Baraúnas, S/N, Bodocongo, 58429-500 Campina Grande, PB, Brazil
3. Department of Dentistry, Faculty of Dentistry, Federal University of Paraiba, Cidade Universitaria, Castelo Branco, 58051-900 Joao Pessoa, PB, Brazil