Department of Dentistry;
Faculty of Management Studies of Minas Gerais;
Belo Horizonte;
Brazil;
Department of Prevention and Oral Rehabilitation;
School of Dentistry;
Federal University of Goias;
Goiania;
Brazil;
Department of Social and Preventative Dentistry;
School of Dentistry;
Federal University of Minas Gerais;
Belo Horizonte;
Brazil;