1. Department of Endodontics School of Dentistry State University of Rio de Janeiro (UERJ) Rio de Janeiro RJ Brazil
2. Department of Endodontics School of Dentistry Grande Rio University (UNIGRANRIO) Rio de Janeiro RJ Brazil
3. Department of Restorative Dentistry School of Dentistry of Ribeirão Preto University of São Paulo São Paulo Brazil
4. Nuclear Engineering Program Federal University of Rio de Janeiro Rio de Janeiro RJ Brazil