Authors
Luciane Closs
Araraquara School of Dentistry, Sao Paulo State University, Araraquara, Brazil
Karine Squeff
Specialist practice, Porto Alegre, Brazil
Dirceu Raveli
Araraquara School of Dentistry, Sao Paulo State University, Araraquara, Brazil
Cassiano Rösing
Federal University of Rio Grande do Sul, Porto Alegre, Brazil